./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 f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/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_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX --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-f8e1c90 [2021-11-09 09:42:21,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:42:21,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:42:21,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:42:21,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:42:21,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:42:21,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:42:21,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:42:21,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:42:21,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:42:21,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:42:21,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:42:21,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:42:21,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:42:21,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:42:21,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:42:21,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:42:21,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:42:21,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:42:21,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:42:21,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:42:21,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:42:21,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:42:21,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:42:21,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:42:21,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:42:21,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:42:21,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:42:21,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:42:21,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:42:21,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:42:21,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:42:21,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:42:21,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:42:21,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:42:21,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:42:21,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:42:21,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:42:21,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:42:21,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:42:21,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:42:21,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 09:42:21,881 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:42:21,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:42:21,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:42:21,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:42:21,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:42:21,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:42:21,891 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:42:21,892 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 09:42:21,892 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 09:42:21,892 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 09:42:21,893 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 09:42:21,894 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 09:42:21,894 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 09:42:21,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:42:21,895 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:42:21,895 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:42:21,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:42:21,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:42:21,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:42:21,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 09:42:21,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 09:42:21,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 09:42:21,897 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:42:21,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:42:21,898 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 09:42:21,898 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:42:21,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 09:42:21,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:42:21,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:42:21,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:42:21,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:42:21,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:42:21,902 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 09:42:21,902 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_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 [2021-11-09 09:42:22,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:42:22,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:42:22,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:42:22,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:42:22,387 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:42:22,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2021-11-09 09:42:22,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/data/01fb83926/f42761f753264216b5fe781fcfac3b49/FLAGe05048bc0 [2021-11-09 09:42:23,115 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:42:23,116 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2021-11-09 09:42:23,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/data/01fb83926/f42761f753264216b5fe781fcfac3b49/FLAGe05048bc0 [2021-11-09 09:42:23,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/data/01fb83926/f42761f753264216b5fe781fcfac3b49 [2021-11-09 09:42:23,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:42:23,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:42:23,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:42:23,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:42:23,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:42:23,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:42:23" (1/1) ... [2021-11-09 09:42:23,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d601ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:23, skipping insertion in model container [2021-11-09 09:42:23,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:42:23" (1/1) ... [2021-11-09 09:42:23,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:42:23,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:42:23,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2021-11-09 09:42:23,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:42:23,935 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:42:24,047 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2021-11-09 09:42:24,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:42:24,090 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:42:24,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24 WrapperNode [2021-11-09 09:42:24,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:42:24,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:42:24,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:42:24,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:42:24,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24" (1/1) ... [2021-11-09 09:42:24,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24" (1/1) ... [2021-11-09 09:42:24,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:42:24,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:42:24,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:42:24,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:42:24,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24" (1/1) ... [2021-11-09 09:42:24,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24" (1/1) ... [2021-11-09 09:42:24,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24" (1/1) ... [2021-11-09 09:42:24,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24" (1/1) ... [2021-11-09 09:42:24,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24" (1/1) ... [2021-11-09 09:42:24,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24" (1/1) ... [2021-11-09 09:42:24,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24" (1/1) ... [2021-11-09 09:42:24,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:42:24,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:42:24,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:42:24,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:42:24,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24" (1/1) ... [2021-11-09 09:42:24,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:24,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:24,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:24,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 09:42:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:42:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:42:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:42:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:42:25,047 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:42:25,047 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-11-09 09:42:25,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:42:25 BoogieIcfgContainer [2021-11-09 09:42:25,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:42:25,051 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 09:42:25,051 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 09:42:25,070 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 09:42:25,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:42:25,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 09:42:23" (1/3) ... [2021-11-09 09:42:25,073 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fde17bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:42:25, skipping insertion in model container [2021-11-09 09:42:25,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:42:25,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:42:24" (2/3) ... [2021-11-09 09:42:25,074 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fde17bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:42:25, skipping insertion in model container [2021-11-09 09:42:25,074 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:42:25,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:42:25" (3/3) ... [2021-11-09 09:42:25,076 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2021-11-09 09:42:25,126 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 09:42:25,126 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 09:42:25,126 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 09:42:25,126 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 09:42:25,126 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 09:42:25,127 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 09:42:25,127 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 09:42:25,127 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 09:42:25,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 91 states, 90 states have (on average 1.7222222222222223) internal successors, (155), 90 states have internal predecessors, (155), 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) [2021-11-09 09:42:25,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2021-11-09 09:42:25,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:42:25,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:42:25,220 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:42:25,220 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] [2021-11-09 09:42:25,220 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 09:42:25,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 91 states, 90 states have (on average 1.7222222222222223) internal successors, (155), 90 states have internal predecessors, (155), 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) [2021-11-09 09:42:25,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2021-11-09 09:42:25,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:42:25,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:42:25,249 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:42:25,250 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] [2021-11-09 09:42:25,259 INFO L791 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 8#L198true assume !(0 == ~r1~0 % 256);init_~tmp~0 := 0; 34#L198-1true init_#res := init_~tmp~0; 5#L323true main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 65#L24true assume !(0 == assume_abort_if_not_~cond); 21#L23true ~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 := 0; 6#L419true [2021-11-09 09:42:25,260 INFO L793 eck$LassoCheckResult]: Loop: 6#L419true assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 43#L73true assume !(0 != ~mode1~0 % 256); 77#L87true assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 7#L87-2true ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 44#L73-2true havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 57#L99true assume !(0 != ~mode2~0 % 256); 72#L112true assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 81#L112-2true ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 62#L99-2true havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 22#L124true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 75#L127true assume !(node3_~m3~0 != ~nomsg~0); 28#L127-1true ~mode3~0 := 0; 87#L124-2true havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 35#L149true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 42#L152true assume !(node4_~m4~0 != ~nomsg~0); 15#L152-1true ~mode4~0 := 0; 70#L149-2true havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 85#L174true assume !(0 != ~mode5~0 % 256); 74#L187true assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 23#L187-2true ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 61#L174-2true ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 16#L331true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 39#L331-1true check_#res := check_~tmp~1; 4#L351true main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 59#L424true assume !(0 == assert_~arg % 256); 6#L419true [2021-11-09 09:42:25,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:42:25,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1978587388, now seen corresponding path program 1 times [2021-11-09 09:42:25,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:42:25,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315587046] [2021-11-09 09:42:25,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:42:25,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:42:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:42:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:42:25,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:42:25,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315587046] [2021-11-09 09:42:25,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315587046] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:42:25,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:42:25,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:42:25,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138865531] [2021-11-09 09:42:25,580 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:42:25,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:42:25,582 INFO L85 PathProgramCache]: Analyzing trace with hash -393123807, now seen corresponding path program 1 times [2021-11-09 09:42:25,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:42:25,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774806364] [2021-11-09 09:42:25,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:42:25,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:42:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:42:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:42:25,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:42:25,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774806364] [2021-11-09 09:42:25,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774806364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:42:25,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:42:25,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:42:25,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975139623] [2021-11-09 09:42:25,872 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:42:25,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:42:25,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:42:25,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:42:25,900 INFO L87 Difference]: Start difference. First operand has 91 states, 90 states have (on average 1.7222222222222223) internal successors, (155), 90 states have internal predecessors, (155), 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) [2021-11-09 09:42:26,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:42:26,096 INFO L93 Difference]: Finished difference Result 90 states and 150 transitions. [2021-11-09 09:42:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:42:26,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 90 states and 150 transitions. [2021-11-09 09:42:26,117 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2021-11-09 09:42:26,124 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 90 states to 86 states and 116 transitions. [2021-11-09 09:42:26,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2021-11-09 09:42:26,127 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2021-11-09 09:42:26,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 116 transitions. [2021-11-09 09:42:26,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:42:26,134 INFO L681 BuchiCegarLoop]: Abstraction has 86 states and 116 transitions. [2021-11-09 09:42:26,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 116 transitions. [2021-11-09 09:42:26,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-11-09 09:42:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 85 states have internal predecessors, (116), 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) [2021-11-09 09:42:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 116 transitions. [2021-11-09 09:42:26,186 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 116 transitions. [2021-11-09 09:42:26,186 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 116 transitions. [2021-11-09 09:42:26,186 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 09:42:26,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 116 transitions. [2021-11-09 09:42:26,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2021-11-09 09:42:26,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:42:26,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:42:26,191 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] [2021-11-09 09:42:26,191 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] [2021-11-09 09:42:26,192 INFO L791 eck$LassoCheckResult]: Stem: 277#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 268#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 207#L198 assume 0 == ~r1~0 % 256; 208#L199 assume ~id1~0 >= 0; 264#L200 assume 0 == ~st1~0; 265#L201 assume ~send1~0 == ~id1~0; 242#L202 assume 0 == ~mode1~0 % 256; 243#L203 assume ~id2~0 >= 0; 259#L204 assume 0 == ~st2~0; 216#L205 assume ~send2~0 == ~id2~0; 217#L206 assume 0 == ~mode2~0 % 256; 209#L207 assume ~id3~0 >= 0; 210#L208 assume 0 == ~st3~0; 267#L209 assume ~send3~0 == ~id3~0; 221#L210 assume 0 == ~mode3~0 % 256; 222#L211 assume ~id4~0 >= 0; 211#L212 assume 0 == ~st4~0; 212#L213 assume ~send4~0 == ~id4~0; 282#L214 assume 0 == ~mode4~0 % 256; 283#L215 assume ~id5~0 >= 0; 266#L216 assume 0 == ~st5~0; 248#L217 assume ~send5~0 == ~id5~0; 249#L218 assume 0 == ~mode5~0 % 256; 269#L219 assume ~id1~0 != ~id2~0; 284#L220 assume ~id1~0 != ~id3~0; 241#L221 assume ~id1~0 != ~id4~0; 239#L222 assume ~id1~0 != ~id5~0; 240#L223 assume ~id2~0 != ~id3~0; 231#L224 assume ~id2~0 != ~id4~0; 232#L225 assume ~id2~0 != ~id5~0; 227#L226 assume ~id3~0 != ~id4~0; 228#L227 assume ~id3~0 != ~id5~0; 244#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 245#L198-1 init_#res := init_~tmp~0; 201#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 202#L24 assume !(0 == assume_abort_if_not_~cond); 233#L23 ~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 := 0; 203#L419 [2021-11-09 09:42:26,192 INFO L793 eck$LassoCheckResult]: Loop: 203#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 204#L73 assume !(0 != ~mode1~0 % 256); 261#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 205#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 206#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 262#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 270#L102 assume !(node2_~m2~0 != ~nomsg~0); 250#L102-1 ~mode2~0 := 0; 251#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 234#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 235#L127 assume !(node3_~m3~0 != ~nomsg~0); 246#L127-1 ~mode3~0 := 0; 247#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 254#L149 assume !(0 != ~mode4~0 % 256); 256#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 263#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 223#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 276#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 279#L177 assume !(node5_~m5~0 != ~nomsg~0); 258#L177-1 ~mode5~0 := 0; 238#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 224#L331 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 225#L331-1 check_#res := check_~tmp~1; 199#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 200#L424 assume !(0 == assert_~arg % 256); 203#L419 [2021-11-09 09:42:26,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:42:26,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 1 times [2021-11-09 09:42:26,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:42:26,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313945629] [2021-11-09 09:42:26,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:42:26,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:42:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:42:26,273 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:42:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:42:26,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:42:26,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:42:26,364 INFO L85 PathProgramCache]: Analyzing trace with hash -358935465, now seen corresponding path program 1 times [2021-11-09 09:42:26,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:42:26,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223599275] [2021-11-09 09:42:26,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:42:26,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:42:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:42:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:42:26,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:42:26,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223599275] [2021-11-09 09:42:26,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223599275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:42:26,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:42:26,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:42:26,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813373076] [2021-11-09 09:42:26,525 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:42:26,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:42:26,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:42:26,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:42:26,527 INFO L87 Difference]: Start difference. First operand 86 states and 116 transitions. cyclomatic complexity: 31 Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:42:26,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:42:26,610 INFO L93 Difference]: Finished difference Result 89 states and 118 transitions. [2021-11-09 09:42:26,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:42:26,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 118 transitions. [2021-11-09 09:42:26,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2021-11-09 09:42:26,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 86 states and 113 transitions. [2021-11-09 09:42:26,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2021-11-09 09:42:26,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2021-11-09 09:42:26,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 113 transitions. [2021-11-09 09:42:26,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:42:26,628 INFO L681 BuchiCegarLoop]: Abstraction has 86 states and 113 transitions. [2021-11-09 09:42:26,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 113 transitions. [2021-11-09 09:42:26,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-11-09 09:42:26,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.313953488372093) internal successors, (113), 85 states have internal predecessors, (113), 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) [2021-11-09 09:42:26,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 113 transitions. [2021-11-09 09:42:26,648 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 113 transitions. [2021-11-09 09:42:26,648 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 113 transitions. [2021-11-09 09:42:26,649 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 09:42:26,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 113 transitions. [2021-11-09 09:42:26,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2021-11-09 09:42:26,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:42:26,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:42:26,657 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] [2021-11-09 09:42:26,661 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] [2021-11-09 09:42:26,661 INFO L791 eck$LassoCheckResult]: Stem: 464#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 455#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 394#L198 assume 0 == ~r1~0 % 256; 395#L199 assume ~id1~0 >= 0; 451#L200 assume 0 == ~st1~0; 452#L201 assume ~send1~0 == ~id1~0; 429#L202 assume 0 == ~mode1~0 % 256; 430#L203 assume ~id2~0 >= 0; 444#L204 assume 0 == ~st2~0; 400#L205 assume ~send2~0 == ~id2~0; 401#L206 assume 0 == ~mode2~0 % 256; 396#L207 assume ~id3~0 >= 0; 397#L208 assume 0 == ~st3~0; 454#L209 assume ~send3~0 == ~id3~0; 405#L210 assume 0 == ~mode3~0 % 256; 406#L211 assume ~id4~0 >= 0; 398#L212 assume 0 == ~st4~0; 399#L213 assume ~send4~0 == ~id4~0; 469#L214 assume 0 == ~mode4~0 % 256; 470#L215 assume ~id5~0 >= 0; 453#L216 assume 0 == ~st5~0; 435#L217 assume ~send5~0 == ~id5~0; 436#L218 assume 0 == ~mode5~0 % 256; 456#L219 assume ~id1~0 != ~id2~0; 471#L220 assume ~id1~0 != ~id3~0; 428#L221 assume ~id1~0 != ~id4~0; 426#L222 assume ~id1~0 != ~id5~0; 427#L223 assume ~id2~0 != ~id3~0; 418#L224 assume ~id2~0 != ~id4~0; 419#L225 assume ~id2~0 != ~id5~0; 413#L226 assume ~id3~0 != ~id4~0; 414#L227 assume ~id3~0 != ~id5~0; 431#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 432#L198-1 init_#res := init_~tmp~0; 388#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 389#L24 assume !(0 == assume_abort_if_not_~cond); 420#L23 ~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 := 0; 390#L419 [2021-11-09 09:42:26,662 INFO L793 eck$LassoCheckResult]: Loop: 390#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 391#L73 assume !(0 != ~mode1~0 % 256); 448#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 392#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 393#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 449#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 457#L102 assume !(node2_~m2~0 != ~nomsg~0); 437#L102-1 ~mode2~0 := 0; 438#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 421#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 422#L127 assume !(node3_~m3~0 != ~nomsg~0); 433#L127-1 ~mode3~0 := 0; 434#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 441#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 442#L152 assume !(node4_~m4~0 != ~nomsg~0); 403#L152-1 ~mode4~0 := 0; 410#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 463#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 466#L177 assume !(node5_~m5~0 != ~nomsg~0); 446#L177-1 ~mode5~0 := 0; 425#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 411#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 412#L332 assume ~r1~0 % 256 >= 5; 415#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 416#L331-1 check_#res := check_~tmp~1; 386#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 387#L424 assume !(0 == assert_~arg % 256); 390#L419 [2021-11-09 09:42:26,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:42:26,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 2 times [2021-11-09 09:42:26,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:42:26,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721388416] [2021-11-09 09:42:26,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:42:26,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:42:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:42:26,731 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:42:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:42:26,805 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:42:26,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:42:26,806 INFO L85 PathProgramCache]: Analyzing trace with hash 335320861, now seen corresponding path program 1 times [2021-11-09 09:42:26,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:42:26,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565309177] [2021-11-09 09:42:26,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:42:26,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:42:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:42:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:42:26,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:42:26,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565309177] [2021-11-09 09:42:26,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565309177] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:42:26,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:42:26,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:42:26,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302633782] [2021-11-09 09:42:26,867 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:42:26,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:42:26,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:42:26,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:42:26,872 INFO L87 Difference]: Start difference. First operand 86 states and 113 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-11-09 09:42:26,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:42:26,926 INFO L93 Difference]: Finished difference Result 129 states and 178 transitions. [2021-11-09 09:42:26,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:42:26,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 178 transitions. [2021-11-09 09:42:26,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-11-09 09:42:26,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 129 states and 178 transitions. [2021-11-09 09:42:26,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 129 [2021-11-09 09:42:26,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 129 [2021-11-09 09:42:26,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 178 transitions. [2021-11-09 09:42:26,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:42:26,935 INFO L681 BuchiCegarLoop]: Abstraction has 129 states and 178 transitions. [2021-11-09 09:42:26,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 178 transitions. [2021-11-09 09:42:26,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-11-09 09:42:26,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.37984496124031) internal successors, (178), 128 states have internal predecessors, (178), 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) [2021-11-09 09:42:26,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 178 transitions. [2021-11-09 09:42:26,947 INFO L704 BuchiCegarLoop]: Abstraction has 129 states and 178 transitions. [2021-11-09 09:42:26,947 INFO L587 BuchiCegarLoop]: Abstraction has 129 states and 178 transitions. [2021-11-09 09:42:26,947 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 09:42:26,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 178 transitions. [2021-11-09 09:42:26,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-11-09 09:42:26,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:42:26,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:42:26,952 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] [2021-11-09 09:42:26,952 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] [2021-11-09 09:42:26,952 INFO L791 eck$LassoCheckResult]: Stem: 687#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 677#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 615#L198 assume 0 == ~r1~0 % 256; 616#L199 assume ~id1~0 >= 0; 673#L200 assume 0 == ~st1~0; 674#L201 assume ~send1~0 == ~id1~0; 649#L202 assume 0 == ~mode1~0 % 256; 650#L203 assume ~id2~0 >= 0; 668#L204 assume 0 == ~st2~0; 624#L205 assume ~send2~0 == ~id2~0; 625#L206 assume 0 == ~mode2~0 % 256; 617#L207 assume ~id3~0 >= 0; 618#L208 assume 0 == ~st3~0; 676#L209 assume ~send3~0 == ~id3~0; 629#L210 assume 0 == ~mode3~0 % 256; 630#L211 assume ~id4~0 >= 0; 619#L212 assume 0 == ~st4~0; 620#L213 assume ~send4~0 == ~id4~0; 692#L214 assume 0 == ~mode4~0 % 256; 693#L215 assume ~id5~0 >= 0; 675#L216 assume 0 == ~st5~0; 657#L217 assume ~send5~0 == ~id5~0; 658#L218 assume 0 == ~mode5~0 % 256; 678#L219 assume ~id1~0 != ~id2~0; 695#L220 assume ~id1~0 != ~id3~0; 648#L221 assume ~id1~0 != ~id4~0; 646#L222 assume ~id1~0 != ~id5~0; 647#L223 assume ~id2~0 != ~id3~0; 638#L224 assume ~id2~0 != ~id4~0; 639#L225 assume ~id2~0 != ~id5~0; 634#L226 assume ~id3~0 != ~id4~0; 635#L227 assume ~id3~0 != ~id5~0; 651#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 652#L198-1 init_#res := init_~tmp~0; 609#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 610#L24 assume !(0 == assume_abort_if_not_~cond); 640#L23 ~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 := 0; 611#L419 [2021-11-09 09:42:26,953 INFO L793 eck$LassoCheckResult]: Loop: 611#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 612#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 626#L77 assume !(node1_~m1~0 != ~nomsg~0); 627#L77-1 ~mode1~0 := 0; 614#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 671#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 679#L102 assume !(node2_~m2~0 != ~nomsg~0); 655#L102-1 ~mode2~0 := 0; 656#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 641#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 642#L127 assume !(node3_~m3~0 != ~nomsg~0); 653#L127-1 ~mode3~0 := 0; 654#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 713#L149 assume !(0 != ~mode4~0 % 256); 709#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 707#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 706#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 705#L174 assume !(0 != ~mode5~0 % 256); 701#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 699#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 698#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 697#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 696#L332 assume !(~r1~0 % 256 >= 5); 660#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 661#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 714#L331-1 check_#res := check_~tmp~1; 735#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 734#L424 assume !(0 == assert_~arg % 256); 611#L419 [2021-11-09 09:42:26,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:42:26,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 3 times [2021-11-09 09:42:26,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:42:26,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115819328] [2021-11-09 09:42:26,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:42:26,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:42:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:42:26,989 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:42:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:42:27,059 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:42:27,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:42:27,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1558150754, now seen corresponding path program 1 times [2021-11-09 09:42:27,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:42:27,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379216146] [2021-11-09 09:42:27,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:42:27,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:42:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:42:27,078 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:42:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:42:27,108 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:42:27,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:42:27,123 INFO L85 PathProgramCache]: Analyzing trace with hash -23906348, now seen corresponding path program 1 times [2021-11-09 09:42:27,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:42:27,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744755475] [2021-11-09 09:42:27,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:42:27,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:42:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:42:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:42:27,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:42:27,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744755475] [2021-11-09 09:42:27,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744755475] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:42:27,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:42:27,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:42:27,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867978427] [2021-11-09 09:42:28,736 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:42:28,737 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:42:28,737 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:42:28,737 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:42:28,737 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 09:42:28,738 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:28,738 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:42:28,738 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:42:28,738 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2021-11-09 09:42:28,739 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:42:28,739 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:42:28,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:28,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:28,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:28,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:28,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:28,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:28,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:29,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:29,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:29,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:29,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:29,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:29,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:29,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:29,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:29,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:29,634 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-09 09:42:36,534 WARN L207 SmtUtils]: Spent 6.77 s on a formula simplification. DAG size of input: 169 DAG size of output: 121 [2021-11-09 09:42:36,708 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:42:36,709 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 09:42:36,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:36,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:36,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:36,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 09:42:36,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:42:36,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:42:36,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:36,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:36,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:36,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:36,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 09:42:36,823 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:42:36,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 09:42:37,121 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 09:42:37,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:37,130 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:42:37,130 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:42:37,130 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:42:37,130 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:42:37,131 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:42:37,131 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:37,131 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:42:37,131 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:42:37,131 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2021-11-09 09:42:37,131 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:42:37,131 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:42:37,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:42:37,943 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-09 09:42:44,274 WARN L207 SmtUtils]: Spent 6.25 s on a formula simplification. DAG size of input: 169 DAG size of output: 121 [2021-11-09 09:42:44,371 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:42:44,377 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:42:44,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:44,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:44,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:44,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 09:42:44,391 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 [2021-11-09 09:42:44,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:44,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:44,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:44,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:44,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:44,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:44,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:44,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:44,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:44,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:44,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:44,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:44,476 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 [2021-11-09 09:42:44,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:44,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:44,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:44,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:44,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:44,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:44,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:44,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 09:42:44,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:44,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:44,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:44,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:44,532 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:44,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 09:42:44,534 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 [2021-11-09 09:42:44,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:44,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:44,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:44,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:44,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:44,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:44,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:44,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:44,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-09 09:42:44,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:44,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:44,636 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:44,648 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 [2021-11-09 09:42:44,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 09:42:44,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:44,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:44,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:44,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:44,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:44,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:44,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:44,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:44,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:44,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:44,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:44,705 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:44,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 09:42:44,710 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 [2021-11-09 09:42:44,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:44,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:44,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:44,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:44,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:44,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:44,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:44,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:44,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:44,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:44,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:44,760 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:44,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 09:42:44,762 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 [2021-11-09 09:42:44,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:44,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:44,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:44,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:44,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:44,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:44,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:44,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:44,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:44,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:44,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:44,803 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:44,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 09:42:44,816 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 [2021-11-09 09:42:44,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:44,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:44,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:44,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:44,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:44,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:44,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:44,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:44,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-09 09:42:44,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:44,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:44,863 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:44,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 09:42:44,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:44,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:44,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:44,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:44,875 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-09 09:42:44,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:45,085 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-09 09:42:45,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:45,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:45,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:45,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:45,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:45,338 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:45,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:45,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:45,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:45,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:45,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:45,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:45,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:45,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:45,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 09:42:45,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:45,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:45,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:45,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:45,423 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:45,433 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 [2021-11-09 09:42:45,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:45,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:45,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:45,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:45,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:45,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:45,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:45,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 09:42:45,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:45,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:45,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:45,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:45,506 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:45,513 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 [2021-11-09 09:42:45,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:45,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:45,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:45,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:45,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:45,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:45,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:45,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 09:42:45,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:45,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:45,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:45,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:45,587 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:45,596 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 [2021-11-09 09:42:45,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:45,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:45,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:45,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:45,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:45,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:45,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:45,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 09:42:45,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:45,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:45,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:45,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:45,672 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:45,682 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 [2021-11-09 09:42:45,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:45,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:45,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:45,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:45,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:45,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:45,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:45,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 09:42:45,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:45,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:45,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:45,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:45,758 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:45,765 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 [2021-11-09 09:42:45,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:45,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:45,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:45,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:45,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:45,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:45,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:45,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 09:42:45,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:45,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:45,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:45,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:45,836 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:45,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 09:42:45,843 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 [2021-11-09 09:42:45,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:45,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:45,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:45,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:45,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:45,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:45,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:45,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:45,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:45,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:45,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:45,896 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:45,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 09:42:45,898 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 [2021-11-09 09:42:45,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:45,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:45,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:45,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:45,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:42:45,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:42:45,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:45,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:45,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:45,939 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-09 09:42:45,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:45,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:45,940 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:45,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-09 09:42:45,948 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 [2021-11-09 09:42:45,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:45,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:45,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:45,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:45,957 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:45,958 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:45,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:45,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:45,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-11-09 09:42:45,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:45,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:45,990 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:45,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-09 09:42:45,992 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 [2021-11-09 09:42:46,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:46,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:46,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:46,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:46,001 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:46,002 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:46,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:46,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:46,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:46,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:46,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:46,034 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:46,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-09 09:42:46,036 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 [2021-11-09 09:42:46,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:46,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:46,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:46,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:46,045 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:46,049 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:46,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:46,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:46,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:46,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:46,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:46,118 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:46,124 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 [2021-11-09 09:42:46,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:46,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:46,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:46,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:46,137 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:46,137 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:46,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:46,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-09 09:42:46,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:46,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:46,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:46,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:46,200 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:46,202 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 [2021-11-09 09:42:46,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:46,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:46,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:46,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:46,215 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:46,215 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:46,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:46,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-09 09:42:46,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:46,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-09 09:42:46,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:46,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:46,275 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:46,280 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 [2021-11-09 09:42:46,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-09 09:42:46,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:46,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:46,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:46,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:46,292 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:46,292 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:46,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:46,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:46,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:46,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:46,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:46,320 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:46,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-09 09:42:46,321 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 [2021-11-09 09:42:46,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:46,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:46,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:46,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:46,331 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:46,333 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:46,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:46,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:46,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-09 09:42:46,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:46,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:46,363 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:46,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-09 09:42:46,365 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 [2021-11-09 09:42:46,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:46,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:46,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:46,377 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-09 09:42:46,377 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:46,563 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-09 09:42:46,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:46,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:46,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:46,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:46,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:46,959 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:46,969 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 [2021-11-09 09:42:46,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:46,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:46,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:46,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:46,982 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:46,983 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:46,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:46,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-09 09:42:47,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,050 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,057 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 [2021-11-09 09:42:47,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-09 09:42:47,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,068 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:47,071 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:47,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,138 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,145 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 [2021-11-09 09:42:47,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,156 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:47,158 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:47,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-09 09:42:47,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,221 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,227 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 [2021-11-09 09:42:47,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,240 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:47,242 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:47,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-09 09:42:47,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,304 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,307 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 [2021-11-09 09:42:47,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,321 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:47,322 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:47,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-09 09:42:47,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,382 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,388 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 [2021-11-09 09:42:47,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,401 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:47,402 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:47,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-09 09:42:47,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,462 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,466 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 [2021-11-09 09:42:47,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,479 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:47,480 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:47,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-09 09:42:47,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,539 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,548 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 [2021-11-09 09:42:47,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,560 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:47,561 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:47,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-09 09:42:47,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,626 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-09 09:42:47,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,628 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,631 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 [2021-11-09 09:42:47,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,644 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:47,646 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:47,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-09 09:42:47,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,709 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,712 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 [2021-11-09 09:42:47,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,724 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:47,725 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:47,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-09 09:42:47,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,784 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,787 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 [2021-11-09 09:42:47,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-09 09:42:47,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,800 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:47,802 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:47,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,863 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:47,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,877 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:47,878 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:47,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-09 09:42:47,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:47,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:47,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:47,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:47,939 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:47,947 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 [2021-11-09 09:42:47,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:47,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:47,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:47,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:47,960 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:47,961 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:47,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:47,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-09 09:42:47,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:48,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:48,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:48,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:48,017 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:48,020 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 [2021-11-09 09:42:48,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:48,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:48,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:48,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:48,033 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:48,034 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:48,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:48,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-09 09:42:48,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:48,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:48,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:48,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:48,092 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:48,095 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 [2021-11-09 09:42:48,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:48,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:48,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:48,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:48,107 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:48,111 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:48,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:48,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-09 09:42:48,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:48,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:48,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:48,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:48,169 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:48,173 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 [2021-11-09 09:42:48,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-09 09:42:48,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:48,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:48,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:48,189 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-09 09:42:48,190 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:48,430 INFO L401 nArgumentSynthesizer]: We have 64 Motzkin's Theorem applications. [2021-11-09 09:42:48,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:48,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:48,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:48,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:48,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:48,974 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:48,976 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 [2021-11-09 09:42:48,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:48,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:48,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:48,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:48,989 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:48,991 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:48,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:48,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-09 09:42:48,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,038 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,041 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 [2021-11-09 09:42:49,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,053 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:49,055 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:49,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-09 09:42:49,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,112 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,114 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 [2021-11-09 09:42:49,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,126 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:49,128 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:49,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-09 09:42:49,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,188 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,191 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 [2021-11-09 09:42:49,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,204 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:49,206 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:49,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-09 09:42:49,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,267 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,270 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 [2021-11-09 09:42:49,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,282 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:49,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-09 09:42:49,286 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:49,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,359 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,365 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 [2021-11-09 09:42:49,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,377 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:49,378 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:49,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-09 09:42:49,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,437 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,441 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 [2021-11-09 09:42:49,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,454 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:49,455 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:49,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-09 09:42:49,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,516 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-09 09:42:49,548 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 [2021-11-09 09:42:49,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,560 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:49,560 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:49,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,615 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-09 09:42:49,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,618 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,624 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 [2021-11-09 09:42:49,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,637 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:49,640 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:49,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-09 09:42:49,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,708 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,710 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 [2021-11-09 09:42:49,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-09 09:42:49,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,721 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:49,722 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:49,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,751 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-09 09:42:49,753 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 [2021-11-09 09:42:49,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,763 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:49,766 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:49,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,808 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-09 09:42:49,823 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 [2021-11-09 09:42:49,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,834 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:49,835 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:49,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:49,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,865 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-09 09:42:49,866 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 [2021-11-09 09:42:49,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,876 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:49,877 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:49,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-09 09:42:49,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,905 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-09 09:42:49,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:49,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,917 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:49,918 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:49,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:49,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-09 09:42:49,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:49,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:49,946 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:49,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-09 09:42:49,948 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 [2021-11-09 09:42:49,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:49,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:49,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:49,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:49,957 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:49,960 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:49,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:49,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:50,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-09 09:42:50,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:50,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:50,016 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:50,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-09 09:42:50,018 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 [2021-11-09 09:42:50,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:50,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:50,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:50,031 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-09 09:42:50,031 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:50,318 INFO L401 nArgumentSynthesizer]: We have 80 Motzkin's Theorem applications. [2021-11-09 09:42:50,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:50,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:50,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-09 09:42:50,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:50,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:50,880 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:50,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-09 09:42:50,882 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 [2021-11-09 09:42:50,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:50,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:50,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:50,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:50,892 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:50,894 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:50,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:50,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:50,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-09 09:42:50,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:50,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:50,961 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:50,972 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 [2021-11-09 09:42:50,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:50,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:50,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:50,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:50,984 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:50,987 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:50,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:50,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-09 09:42:51,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:51,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,027 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-09 09:42:51,029 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 [2021-11-09 09:42:51,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:51,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,038 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:51,041 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:51,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-09 09:42:51,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,110 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,120 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 [2021-11-09 09:42:51,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:51,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,133 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:51,136 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:51,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-09 09:42:51,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-09 09:42:51,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,187 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-09 09:42:51,189 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 [2021-11-09 09:42:51,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:51,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,198 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:51,216 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:51,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:51,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,277 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,284 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 [2021-11-09 09:42:51,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-09 09:42:51,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:51,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,296 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:51,296 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:51,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-09 09:42:51,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,336 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-09 09:42:51,340 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 [2021-11-09 09:42:51,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:51,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,353 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:51,354 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:51,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:51,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,402 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-09 09:42:51,404 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 [2021-11-09 09:42:51,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:42:51,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,414 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:51,415 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:51,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:51,442 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-09 09:42:51,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,443 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-09 09:42:51,445 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 [2021-11-09 09:42:51,454 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:51,454 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:51,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,455 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:51,456 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:51,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:51,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,515 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-09 09:42:51,517 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 [2021-11-09 09:42:51,525 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:51,525 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:51,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,526 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:51,526 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:51,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:51,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,554 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-09 09:42:51,569 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 [2021-11-09 09:42:51,578 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:51,578 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:51,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,579 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:51,580 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:51,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:51,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,610 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-09 09:42:51,611 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 [2021-11-09 09:42:51,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:51,621 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:51,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,621 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:51,622 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:51,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-09 09:42:51,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,650 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,652 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 [2021-11-09 09:42:51,664 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:51,664 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:51,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-09 09:42:51,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,665 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:51,666 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:51,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:51,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,697 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-09 09:42:51,698 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 [2021-11-09 09:42:51,707 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:51,707 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:51,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,708 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:51,720 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:51,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-09 09:42:51,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,758 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-09 09:42:51,760 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 [2021-11-09 09:42:51,769 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:51,770 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:51,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:51,770 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:51,773 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:51,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:51,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:51,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-09 09:42:51,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:51,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:51,804 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:51,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-09 09:42:51,805 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 [2021-11-09 09:42:51,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:51,816 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:51,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:51,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:51,817 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-09 09:42:51,817 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:52,022 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-09 09:42:52,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:52,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:52,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:52,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:52,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:52,569 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:52,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-09 09:42:52,571 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 [2021-11-09 09:42:52,581 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:52,581 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:52,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:52,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:52,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:52,581 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:52,582 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:52,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:52,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:52,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-09 09:42:52,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:52,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:52,613 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:52,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-09 09:42:52,614 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 [2021-11-09 09:42:52,623 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:52,623 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:52,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:52,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:52,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:52,624 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:52,625 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:52,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:52,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:52,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-09 09:42:52,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:52,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:52,654 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:52,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-09 09:42:52,656 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 [2021-11-09 09:42:52,665 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:52,665 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:52,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:52,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:52,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:52,665 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:52,667 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:52,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:52,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:52,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-09 09:42:52,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:52,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:52,696 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:52,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-09 09:42:52,697 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 [2021-11-09 09:42:52,706 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:52,706 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:52,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:52,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:52,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:52,707 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:52,708 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:52,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:52,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:52,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-09 09:42:52,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:52,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:52,740 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:52,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-09 09:42:52,753 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 [2021-11-09 09:42:52,762 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:52,762 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:52,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:52,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:52,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:52,762 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:52,764 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:52,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:52,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:52,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-09 09:42:52,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:52,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:52,798 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:52,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-09 09:42:52,812 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 [2021-11-09 09:42:52,821 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:52,821 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:52,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:52,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:52,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:52,822 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:52,822 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:52,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:52,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:52,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-09 09:42:52,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:52,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:52,852 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:52,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-09 09:42:52,854 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 [2021-11-09 09:42:52,863 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:52,863 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:52,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:52,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:52,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:52,864 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:52,864 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:52,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:52,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:52,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-09 09:42:52,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:52,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:52,893 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:52,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-09 09:42:52,895 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 [2021-11-09 09:42:52,904 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:52,904 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:52,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:52,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:52,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:52,905 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 09:42:52,905 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 09:42:52,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:52,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:52,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:52,933 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-09 09:42:52,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:52,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:52,934 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:52,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-09 09:42:52,937 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 [2021-11-09 09:42:52,947 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:52,947 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:52,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:52,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:52,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:52,947 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:52,949 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:52,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:52,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:52,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-09 09:42:52,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:52,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:52,982 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:52,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-09 09:42:52,984 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 [2021-11-09 09:42:52,993 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:52,993 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:52,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:52,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:52,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:52,994 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:52,995 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:52,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:52,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:53,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-09 09:42:53,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:53,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:53,025 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:53,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-09 09:42:53,027 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 [2021-11-09 09:42:53,037 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:53,037 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:53,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:53,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:53,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:53,037 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:53,039 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:53,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:53,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:53,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-09 09:42:53,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:53,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:53,074 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:53,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-09 09:42:53,076 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 [2021-11-09 09:42:53,085 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:53,085 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:53,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:53,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:53,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:53,086 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:53,086 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:53,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:53,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:53,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:53,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:53,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:53,116 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:53,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-09 09:42:53,117 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 [2021-11-09 09:42:53,128 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:53,128 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:53,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:53,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:53,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:53,129 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:53,129 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:53,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:53,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:53,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:53,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:53,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:53,158 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:53,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-09 09:42:53,159 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 [2021-11-09 09:42:53,168 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:53,169 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:53,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:53,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:53,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:53,169 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:53,170 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:53,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:53,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:53,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:53,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:53,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:53,197 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:53,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-09 09:42:53,200 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 [2021-11-09 09:42:53,209 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:53,209 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:53,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:53,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:53,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:53,209 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:53,212 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:53,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:53,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:53,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-09 09:42:53,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:53,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:53,246 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:53,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-09 09:42:53,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:53,262 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:53,262 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:53,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:53,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:53,263 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-09 09:42:53,263 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:53,546 INFO L401 nArgumentSynthesizer]: We have 64 Motzkin's Theorem applications. [2021-11-09 09:42:53,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:54,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:54,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-11-09 09:42:54,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:54,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:54,534 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:54,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-09 09:42:54,535 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 [2021-11-09 09:42:54,544 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:54,545 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:54,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:54,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:54,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:54,545 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:54,546 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:54,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:54,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:54,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:54,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:54,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:54,578 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:54,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-09 09:42:54,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:54,589 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:54,589 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:54,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:54,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:54,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:54,589 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:54,594 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:54,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:54,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:54,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-09 09:42:54,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:54,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:54,641 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:54,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-09 09:42:54,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:54,652 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:54,652 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:54,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:54,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:54,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:54,653 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:54,654 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:54,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:54,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:54,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-11-09 09:42:54,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:54,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:54,689 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:54,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-09 09:42:54,690 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 [2021-11-09 09:42:54,699 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:54,700 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:54,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:54,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:54,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:54,700 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:54,702 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:54,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:54,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:54,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:54,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:54,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:54,735 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:54,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-09 09:42:54,738 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 [2021-11-09 09:42:54,747 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:54,747 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:54,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:54,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:54,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:54,747 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:54,749 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:54,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:54,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:54,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:54,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:54,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:54,781 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:54,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-09 09:42:54,784 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 [2021-11-09 09:42:54,793 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:54,794 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:54,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:54,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:54,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:54,794 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:54,795 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:54,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:54,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:54,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-11-09 09:42:54,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:54,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:54,825 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:54,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-09 09:42:54,827 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 [2021-11-09 09:42:54,836 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:54,837 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:54,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:54,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:54,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:54,837 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:54,838 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:54,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:54,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:54,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-11-09 09:42:54,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:54,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:54,867 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:54,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-09 09:42:54,869 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 [2021-11-09 09:42:54,877 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:54,878 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 09:42:54,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:54,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:54,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:54,878 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:54,879 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:54,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:54,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:54,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-11-09 09:42:54,907 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-09 09:42:54,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:54,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:54,909 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:54,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-09 09:42:54,910 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 [2021-11-09 09:42:54,920 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:54,920 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:54,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:54,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:54,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:54,920 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:54,923 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:54,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:54,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:54,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-11-09 09:42:54,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:54,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:54,959 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:54,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-09 09:42:54,960 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 [2021-11-09 09:42:54,970 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:54,970 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:54,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:54,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:54,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:54,971 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:54,972 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:54,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:54,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:55,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-11-09 09:42:55,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:55,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:55,001 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:55,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-09 09:42:55,003 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 [2021-11-09 09:42:55,012 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:55,012 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:55,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:55,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:55,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:55,012 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:55,015 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:55,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:55,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:55,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:55,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:55,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:55,049 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:55,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-09 09:42:55,051 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 [2021-11-09 09:42:55,060 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:55,060 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:55,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:55,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:55,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:55,061 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:55,062 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:55,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:55,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:55,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:55,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:55,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:55,092 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:55,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-09 09:42:55,093 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 [2021-11-09 09:42:55,102 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:55,102 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:55,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:55,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:55,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:55,103 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:55,103 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:55,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:55,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:55,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-11-09 09:42:55,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:55,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:55,133 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:55,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-09 09:42:55,134 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 [2021-11-09 09:42:55,143 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:55,143 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:55,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:55,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:55,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:55,144 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:55,145 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:55,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:55,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:55,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-09 09:42:55,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:55,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:55,175 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:55,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-09 09:42:55,178 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 [2021-11-09 09:42:55,187 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:55,188 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:55,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:55,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:55,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:55,188 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:55,193 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:55,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:55,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:55,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-11-09 09:42:55,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:55,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:55,254 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:55,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-09 09:42:55,255 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 [2021-11-09 09:42:55,274 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:55,275 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:55,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:55,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:55,275 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-09 09:42:55,275 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:55,735 INFO L401 nArgumentSynthesizer]: We have 80 Motzkin's Theorem applications. [2021-11-09 09:42:55,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:57,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,111 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-09 09:42:57,114 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 [2021-11-09 09:42:57,123 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,123 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:57,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,124 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:57,126 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:57,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:57,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,160 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-09 09:42:57,161 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 [2021-11-09 09:42:57,171 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,171 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:57,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,171 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:57,174 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:57,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-11-09 09:42:57,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,211 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-09 09:42:57,212 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 [2021-11-09 09:42:57,222 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,222 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:57,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,223 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:57,225 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:57,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-11-09 09:42:57,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,258 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-09 09:42:57,259 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 [2021-11-09 09:42:57,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,269 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:57,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,269 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:57,272 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:57,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:57,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,309 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-09 09:42:57,310 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 [2021-11-09 09:42:57,319 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,320 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:57,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,320 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:57,322 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:57,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-11-09 09:42:57,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,357 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-11-09 09:42:57,359 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 [2021-11-09 09:42:57,368 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,369 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:57,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,369 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:57,370 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:57,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:57,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,400 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-11-09 09:42:57,413 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 [2021-11-09 09:42:57,424 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,425 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:57,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,425 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:57,427 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:57,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-11-09 09:42:57,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,460 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-11-09 09:42:57,461 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 [2021-11-09 09:42:57,470 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,471 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:57,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,471 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 09:42:57,472 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 09:42:57,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:57,501 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-09 09:42:57,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,507 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-11-09 09:42:57,508 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 [2021-11-09 09:42:57,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,517 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:57,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,518 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:57,520 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:57,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-11-09 09:42:57,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,565 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-11-09 09:42:57,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:57,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,576 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:57,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,577 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:57,578 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:57,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:57,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,606 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-09 09:42:57,635 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 [2021-11-09 09:42:57,644 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,644 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:57,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,644 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:57,646 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:57,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:57,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,677 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-11-09 09:42:57,680 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 [2021-11-09 09:42:57,689 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,689 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:57,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,690 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:57,690 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:57,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:57,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,718 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-11-09 09:42:57,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:57,728 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,728 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:57,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,729 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:57,730 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:57,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:57,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,774 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-11-09 09:42:57,775 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 [2021-11-09 09:42:57,786 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,786 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:57,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,786 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:57,787 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:57,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:57,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,814 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-11-09 09:42:57,816 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 [2021-11-09 09:42:57,825 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,825 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:57,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:57,826 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:57,828 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:57,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:57,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:57,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:57,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:57,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:57,859 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:57,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-11-09 09:42:57,860 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 [2021-11-09 09:42:57,871 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:57,871 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:57,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:57,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:57,871 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-09 09:42:57,871 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:58,112 INFO L401 nArgumentSynthesizer]: We have 64 Motzkin's Theorem applications. [2021-11-09 09:42:58,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:58,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:58,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:58,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:58,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:58,846 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:58,852 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 [2021-11-09 09:42:58,864 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:58,864 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:58,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:58,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:58,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:58,864 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:58,866 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:58,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:58,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-11-09 09:42:58,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:58,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:58,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:58,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:58,932 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:58,935 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 [2021-11-09 09:42:58,947 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:58,947 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:58,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:58,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:58,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:58,947 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:58,950 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:58,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:58,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-11-09 09:42:58,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,009 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,011 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 [2021-11-09 09:42:59,022 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,022 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:59,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,023 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:59,026 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:59,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-11-09 09:42:59,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,096 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:59,112 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,112 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:59,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,112 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:59,115 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:59,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-11-09 09:42:59,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,184 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,191 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 [2021-11-09 09:42:59,202 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,203 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:59,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,203 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:59,206 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:59,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-11-09 09:42:59,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,260 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,265 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 [2021-11-09 09:42:59,276 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,277 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:59,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:59,278 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:59,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-11-09 09:42:59,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,348 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:59,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,362 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:59,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,362 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:59,363 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:59,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-11-09 09:42:59,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,421 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,423 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 [2021-11-09 09:42:59,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-11-09 09:42:59,437 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,437 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 09:42:59,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,438 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 09:42:59,440 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 09:42:59,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,497 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-09 09:42:59,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,498 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,501 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 [2021-11-09 09:42:59,512 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,513 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:59,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,513 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:42:59,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:42:59,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-11-09 09:42:59,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,579 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,584 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 [2021-11-09 09:42:59,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,596 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:59,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,597 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:42:59,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:42:59,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-11-09 09:42:59,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,660 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,662 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 [2021-11-09 09:42:59,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,673 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:59,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,674 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:42:59,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:42:59,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-11-09 09:42:59,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,747 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-11-09 09:42:59,775 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 [2021-11-09 09:42:59,785 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,786 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:59,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,786 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:42:59,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:42:59,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,816 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-11-09 09:42:59,817 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 [2021-11-09 09:42:59,826 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,827 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:59,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,827 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:42:59,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:42:59,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-11-09 09:42:59,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,856 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-11-09 09:42:59,859 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 [2021-11-09 09:42:59,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,868 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:59,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,869 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:42:59,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:42:59,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-11-09 09:42:59,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,900 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-11-09 09:42:59,901 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 [2021-11-09 09:42:59,910 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,910 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:59,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:42:59,911 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:42:59,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:42:59,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:42:59,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:42:59,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-11-09 09:42:59,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:42:59,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:42:59,949 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:42:59,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-11-09 09:42:59,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:42:59,962 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:42:59,962 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:42:59,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:42:59,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:42:59,962 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-09 09:42:59,963 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:43:00,396 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-11-09 09:43:00,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:43:01,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:43:01,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-11-09 09:43:01,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:43:01,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:43:01,519 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:43:01,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-11-09 09:43:01,521 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 [2021-11-09 09:43:01,530 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:43:01,530 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:43:01,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:43:01,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:43:01,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:43:01,531 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:43:01,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:43:01,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:43:01,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:43:01,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-11-09 09:43:01,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:43:01,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:43:01,566 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:43:01,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-11-09 09:43:01,568 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 [2021-11-09 09:43:01,577 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:43:01,577 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:43:01,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:43:01,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:43:01,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:43:01,578 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:43:01,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:43:01,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:43:01,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:43:01,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-11-09 09:43:01,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:43:01,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:43:01,650 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:43:01,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:43:01,672 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:43:01,672 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:43:01,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:43:01,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:43:01,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:43:01,673 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:43:01,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:43:01,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:43:01,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-11-09 09:43:01,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:43:01,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-11-09 09:43:01,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:43:01,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:43:01,752 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:43:01,754 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 [2021-11-09 09:43:01,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-11-09 09:43:01,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:43:01,766 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:43:01,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:43:01,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:43:01,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:43:01,767 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:43:01,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:43:01,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:43:01,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:43:01,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-11-09 09:43:01,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:43:01,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:43:01,804 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:43:01,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-11-09 09:43:01,806 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 [2021-11-09 09:43:01,815 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:43:01,815 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:43:01,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:43:01,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:43:01,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:43:01,816 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:43:01,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:43:01,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:43:01,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:43:01,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2021-11-09 09:43:01,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:43:01,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:43:01,852 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:43:01,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-11-09 09:43:01,853 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 [2021-11-09 09:43:01,862 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:43:01,862 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:43:01,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:43:01,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:43:01,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:43:01,863 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:43:01,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:43:01,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:43:01,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:43:01,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-11-09 09:43:01,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:43:01,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:43:01,892 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:43:01,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-11-09 09:43:01,893 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 [2021-11-09 09:43:01,903 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:43:01,903 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:43:01,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:43:01,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:43:01,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:43:01,904 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:43:01,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:43:01,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:43:01,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:43:01,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-11-09 09:43:01,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:43:01,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:43:01,936 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:43:01,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-11-09 09:43:01,937 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 [2021-11-09 09:43:01,946 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 09:43:01,947 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 09:43:01,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:43:01,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:43:01,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:43:01,947 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 09:43:01,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:43:01,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:43:01,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:43:01,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e9053c-dafa-4cdd-bbb8-158c2b192652/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-11-09 09:43:01,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:01,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:43:01,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:43:01,978 INFO L87 Difference]: Start difference. First operand 129 states and 178 transitions. cyclomatic complexity: 50 Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-09 09:43:02,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:02,027 INFO L93 Difference]: Finished difference Result 178 states and 249 transitions. [2021-11-09 09:43:02,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:43:02,028 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 178 states and 249 transitions. [2021-11-09 09:43:02,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 141 [2021-11-09 09:43:02,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 178 states to 178 states and 249 transitions. [2021-11-09 09:43:02,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 178 [2021-11-09 09:43:02,034 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 178 [2021-11-09 09:43:02,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 178 states and 249 transitions. [2021-11-09 09:43:02,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:02,036 INFO L681 BuchiCegarLoop]: Abstraction has 178 states and 249 transitions. [2021-11-09 09:43:02,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states and 249 transitions. [2021-11-09 09:43:02,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-11-09 09:43:02,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 178 states have (on average 1.398876404494382) internal successors, (249), 177 states have internal predecessors, (249), 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) [2021-11-09 09:43:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 249 transitions. [2021-11-09 09:43:02,061 INFO L704 BuchiCegarLoop]: Abstraction has 178 states and 249 transitions. [2021-11-09 09:43:02,061 INFO L587 BuchiCegarLoop]: Abstraction has 178 states and 249 transitions. [2021-11-09 09:43:02,061 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-09 09:43:02,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 249 transitions. [2021-11-09 09:43:02,064 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 141 [2021-11-09 09:43:02,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:02,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:02,067 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] [2021-11-09 09:43:02,068 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-11-09 09:43:02,068 INFO L791 eck$LassoCheckResult]: Stem: 1004#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 995#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 930#L198 assume 0 == ~r1~0 % 256; 931#L199 assume ~id1~0 >= 0; 991#L200 assume 0 == ~st1~0; 992#L201 assume ~send1~0 == ~id1~0; 964#L202 assume 0 == ~mode1~0 % 256; 965#L203 assume ~id2~0 >= 0; 984#L204 assume 0 == ~st2~0; 939#L205 assume ~send2~0 == ~id2~0; 940#L206 assume 0 == ~mode2~0 % 256; 932#L207 assume ~id3~0 >= 0; 933#L208 assume 0 == ~st3~0; 994#L209 assume ~send3~0 == ~id3~0; 944#L210 assume 0 == ~mode3~0 % 256; 945#L211 assume ~id4~0 >= 0; 934#L212 assume 0 == ~st4~0; 935#L213 assume ~send4~0 == ~id4~0; 1009#L214 assume 0 == ~mode4~0 % 256; 1010#L215 assume ~id5~0 >= 0; 993#L216 assume 0 == ~st5~0; 973#L217 assume ~send5~0 == ~id5~0; 974#L218 assume 0 == ~mode5~0 % 256; 996#L219 assume ~id1~0 != ~id2~0; 1012#L220 assume ~id1~0 != ~id3~0; 963#L221 assume ~id1~0 != ~id4~0; 961#L222 assume ~id1~0 != ~id5~0; 962#L223 assume ~id2~0 != ~id3~0; 953#L224 assume ~id2~0 != ~id4~0; 954#L225 assume ~id2~0 != ~id5~0; 949#L226 assume ~id3~0 != ~id4~0; 950#L227 assume ~id3~0 != ~id5~0; 966#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 967#L198-1 init_#res := init_~tmp~0; 924#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 925#L24 assume !(0 == assume_abort_if_not_~cond); 955#L23 ~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 := 0; 926#L419 [2021-11-09 09:43:02,068 INFO L793 eck$LassoCheckResult]: Loop: 926#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 927#L73 assume !(0 != ~mode1~0 % 256); 986#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 928#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 929#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 987#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 997#L102 assume !(node2_~m2~0 != ~nomsg~0); 971#L102-1 ~mode2~0 := 0; 972#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 956#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 957#L127 assume !(node3_~m3~0 != ~nomsg~0); 968#L127-1 ~mode3~0 := 0; 969#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 978#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 979#L152 assume !(node4_~m4~0 != ~nomsg~0); 937#L152-1 ~mode4~0 := 0; 946#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 1003#L174 assume !(0 != ~mode5~0 % 256); 1032#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 1028#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 1022#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1023#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 1016#L332 assume ~r1~0 % 256 >= 5; 951#L336 assume !(~r1~0 % 256 < 5); 952#L340 assume 1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0;check_~tmp~1 := 1; 1025#L331-1 check_#res := check_~tmp~1; 1099#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1098#L424 assume !(0 == assert_~arg % 256); 1096#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1092#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 941#L77 assume !(node1_~m1~0 != ~nomsg~0); 942#L77-1 ~mode1~0 := 0; 970#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1081#L99 assume !(0 != ~mode2~0 % 256); 1077#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 1075#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 1071#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 1065#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1062#L127 assume !(node3_~m3~0 != ~nomsg~0); 1058#L127-1 ~mode3~0 := 0; 1055#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1048#L149 assume !(0 != ~mode4~0 % 256); 1044#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 1042#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 1041#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 1037#L174 assume !(0 != ~mode5~0 % 256); 1036#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 1030#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 1027#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1019#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 1020#L332 assume !(~r1~0 % 256 >= 5); 976#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 977#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 983#L331-1 check_#res := check_~tmp~1; 922#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 923#L424 assume !(0 == assert_~arg % 256); 926#L419 [2021-11-09 09:43:02,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:02,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 4 times [2021-11-09 09:43:02,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:02,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783519257] [2021-11-09 09:43:02,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:02,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:02,092 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:43:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:02,123 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:43:02,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:02,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1517738916, now seen corresponding path program 1 times [2021-11-09 09:43:02,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:02,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844744136] [2021-11-09 09:43:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:02,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:02,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:02,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844744136] [2021-11-09 09:43:02,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844744136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:02,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:02,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:02,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195813062] [2021-11-09 09:43:02,202 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:02,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:02,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:43:02,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:43:02,204 INFO L87 Difference]: Start difference. First operand 178 states and 249 transitions. cyclomatic complexity: 72 Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-09 09:43:02,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:02,263 INFO L93 Difference]: Finished difference Result 250 states and 359 transitions. [2021-11-09 09:43:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:43:02,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 250 states and 359 transitions. [2021-11-09 09:43:02,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-11-09 09:43:02,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 250 states to 249 states and 358 transitions. [2021-11-09 09:43:02,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2021-11-09 09:43:02,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2021-11-09 09:43:02,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 358 transitions. [2021-11-09 09:43:02,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:02,282 INFO L681 BuchiCegarLoop]: Abstraction has 249 states and 358 transitions. [2021-11-09 09:43:02,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 358 transitions. [2021-11-09 09:43:02,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 217. [2021-11-09 09:43:02,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 217 states have (on average 1.433179723502304) internal successors, (311), 216 states have internal predecessors, (311), 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) [2021-11-09 09:43:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 311 transitions. [2021-11-09 09:43:02,314 INFO L704 BuchiCegarLoop]: Abstraction has 217 states and 311 transitions. [2021-11-09 09:43:02,317 INFO L587 BuchiCegarLoop]: Abstraction has 217 states and 311 transitions. [2021-11-09 09:43:02,317 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-09 09:43:02,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 217 states and 311 transitions. [2021-11-09 09:43:02,320 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 180 [2021-11-09 09:43:02,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:02,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:02,324 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] [2021-11-09 09:43:02,331 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-11-09 09:43:02,332 INFO L791 eck$LassoCheckResult]: Stem: 1438#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 1429#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 1364#L198 assume 0 == ~r1~0 % 256; 1365#L199 assume ~id1~0 >= 0; 1425#L200 assume 0 == ~st1~0; 1426#L201 assume ~send1~0 == ~id1~0; 1399#L202 assume 0 == ~mode1~0 % 256; 1400#L203 assume ~id2~0 >= 0; 1416#L204 assume 0 == ~st2~0; 1370#L205 assume ~send2~0 == ~id2~0; 1371#L206 assume 0 == ~mode2~0 % 256; 1366#L207 assume ~id3~0 >= 0; 1367#L208 assume 0 == ~st3~0; 1428#L209 assume ~send3~0 == ~id3~0; 1375#L210 assume 0 == ~mode3~0 % 256; 1376#L211 assume ~id4~0 >= 0; 1368#L212 assume 0 == ~st4~0; 1369#L213 assume ~send4~0 == ~id4~0; 1444#L214 assume 0 == ~mode4~0 % 256; 1445#L215 assume ~id5~0 >= 0; 1427#L216 assume 0 == ~st5~0; 1406#L217 assume ~send5~0 == ~id5~0; 1407#L218 assume 0 == ~mode5~0 % 256; 1430#L219 assume ~id1~0 != ~id2~0; 1446#L220 assume ~id1~0 != ~id3~0; 1398#L221 assume ~id1~0 != ~id4~0; 1396#L222 assume ~id1~0 != ~id5~0; 1397#L223 assume ~id2~0 != ~id3~0; 1387#L224 assume ~id2~0 != ~id4~0; 1388#L225 assume ~id2~0 != ~id5~0; 1383#L226 assume ~id3~0 != ~id4~0; 1384#L227 assume ~id3~0 != ~id5~0; 1401#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 1402#L198-1 init_#res := init_~tmp~0; 1358#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 1359#L24 assume !(0 == assume_abort_if_not_~cond); 1389#L23 ~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 := 0; 1390#L419 [2021-11-09 09:43:02,332 INFO L793 eck$LassoCheckResult]: Loop: 1390#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1519#L73 assume !(0 != ~mode1~0 % 256); 1514#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 1511#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 1509#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1505#L99 assume !(0 != ~mode2~0 % 256); 1504#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 1501#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 1498#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 1495#L124 assume !(0 != ~mode3~0 % 256); 1493#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 1492#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 1490#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1488#L149 assume !(0 != ~mode4~0 % 256); 1489#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 1482#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 1481#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 1480#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 1477#L177 assume !(node5_~m5~0 != ~nomsg~0); 1475#L177-1 ~mode5~0 := 0; 1457#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1458#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 1448#L332 assume !(~r1~0 % 256 >= 5); 1450#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 1471#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 1472#L331-1 check_#res := check_~tmp~1; 1459#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1460#L424 assume !(0 == assert_~arg % 256); 1451#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1452#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 1520#L77 assume !(node1_~m1~0 != ~nomsg~0); 1443#L77-1 ~mode1~0 := 0; 1559#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1556#L99 assume !(0 != ~mode2~0 % 256); 1554#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 1546#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 1543#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 1541#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1537#L127 assume !(node3_~m3~0 != ~nomsg~0); 1533#L127-1 ~mode3~0 := 0; 1532#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1531#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1526#L152 assume !(node4_~m4~0 != ~nomsg~0); 1516#L152-1 ~mode4~0 := 0; 1523#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 1521#L174 assume !(0 != ~mode5~0 % 256); 1522#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 1461#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 1462#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1453#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 1454#L332 assume !(~r1~0 % 256 >= 5); 1411#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 1412#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 1487#L331-1 check_#res := check_~tmp~1; 1566#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1565#L424 assume !(0 == assert_~arg % 256); 1390#L419 [2021-11-09 09:43:02,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:02,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 5 times [2021-11-09 09:43:02,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:02,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714425468] [2021-11-09 09:43:02,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:02,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:02,351 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:43:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:02,377 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:43:02,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:02,378 INFO L85 PathProgramCache]: Analyzing trace with hash 2098104879, now seen corresponding path program 1 times [2021-11-09 09:43:02,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:02,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734284376] [2021-11-09 09:43:02,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:02,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:02,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:02,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734284376] [2021-11-09 09:43:02,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734284376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:02,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:02,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:02,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474168380] [2021-11-09 09:43:02,452 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:02,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:02,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:43:02,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:43:02,453 INFO L87 Difference]: Start difference. First operand 217 states and 311 transitions. cyclomatic complexity: 95 Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-09 09:43:02,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:02,474 INFO L93 Difference]: Finished difference Result 389 states and 569 transitions. [2021-11-09 09:43:02,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:43:02,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 389 states and 569 transitions. [2021-11-09 09:43:02,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 352 [2021-11-09 09:43:02,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 389 states to 389 states and 569 transitions. [2021-11-09 09:43:02,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 389 [2021-11-09 09:43:02,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 389 [2021-11-09 09:43:02,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 389 states and 569 transitions. [2021-11-09 09:43:02,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:02,487 INFO L681 BuchiCegarLoop]: Abstraction has 389 states and 569 transitions. [2021-11-09 09:43:02,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states and 569 transitions. [2021-11-09 09:43:02,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 373. [2021-11-09 09:43:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 373 states have (on average 1.450402144772118) internal successors, (541), 372 states have internal predecessors, (541), 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) [2021-11-09 09:43:02,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 541 transitions. [2021-11-09 09:43:02,506 INFO L704 BuchiCegarLoop]: Abstraction has 373 states and 541 transitions. [2021-11-09 09:43:02,506 INFO L587 BuchiCegarLoop]: Abstraction has 373 states and 541 transitions. [2021-11-09 09:43:02,507 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-09 09:43:02,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 373 states and 541 transitions. [2021-11-09 09:43:02,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 336 [2021-11-09 09:43:02,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:02,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:02,513 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] [2021-11-09 09:43:02,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:43:02,513 INFO L791 eck$LassoCheckResult]: Stem: 2060#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 2048#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 1976#L198 assume 0 == ~r1~0 % 256; 1977#L199 assume ~id1~0 >= 0; 2044#L200 assume 0 == ~st1~0; 2045#L201 assume ~send1~0 == ~id1~0; 2012#L202 assume 0 == ~mode1~0 % 256; 2013#L203 assume ~id2~0 >= 0; 2030#L204 assume 0 == ~st2~0; 1982#L205 assume ~send2~0 == ~id2~0; 1983#L206 assume 0 == ~mode2~0 % 256; 1978#L207 assume ~id3~0 >= 0; 1979#L208 assume 0 == ~st3~0; 2047#L209 assume ~send3~0 == ~id3~0; 1987#L210 assume 0 == ~mode3~0 % 256; 1988#L211 assume ~id4~0 >= 0; 1980#L212 assume 0 == ~st4~0; 1981#L213 assume ~send4~0 == ~id4~0; 2071#L214 assume 0 == ~mode4~0 % 256; 2072#L215 assume ~id5~0 >= 0; 2046#L216 assume 0 == ~st5~0; 2020#L217 assume ~send5~0 == ~id5~0; 2021#L218 assume 0 == ~mode5~0 % 256; 2049#L219 assume ~id1~0 != ~id2~0; 2079#L220 assume ~id1~0 != ~id3~0; 2011#L221 assume ~id1~0 != ~id4~0; 2009#L222 assume ~id1~0 != ~id5~0; 2010#L223 assume ~id2~0 != ~id3~0; 2000#L224 assume ~id2~0 != ~id4~0; 2001#L225 assume ~id2~0 != ~id5~0; 1996#L226 assume ~id3~0 != ~id4~0; 1997#L227 assume ~id3~0 != ~id5~0; 2014#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 2015#L198-1 init_#res := init_~tmp~0; 1970#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 1971#L24 assume !(0 == assume_abort_if_not_~cond); 2002#L23 ~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 := 0; 2003#L419 [2021-11-09 09:43:02,514 INFO L793 eck$LassoCheckResult]: Loop: 2003#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 2253#L73 assume !(0 != ~mode1~0 % 256); 2252#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 2251#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 2250#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 2248#L99 assume !(0 != ~mode2~0 % 256); 2247#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 2246#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 2245#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 2244#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 2242#L127 assume !(node3_~m3~0 != ~nomsg~0); 2228#L127-1 ~mode3~0 := 0; 2227#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 2225#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 2216#L152 assume !(node4_~m4~0 != ~nomsg~0); 2214#L152-1 ~mode4~0 := 0; 2212#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 2210#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 2208#L177 assume !(node5_~m5~0 != ~nomsg~0); 2206#L177-1 ~mode5~0 := 0; 2204#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 2203#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 2117#L332 assume !(~r1~0 % 256 >= 5); 2119#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 2125#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 2199#L331-1 check_#res := check_~tmp~1; 2331#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 2330#L424 assume !(0 == assert_~arg % 256); 2083#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 2084#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 2326#L77 assume !(node1_~m1~0 != ~nomsg~0); 2018#L77-1 ~mode1~0 := 0; 2019#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 2039#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 2050#L102 assume !(node2_~m2~0 != ~nomsg~0); 2294#L102-1 ~mode2~0 := 0; 2293#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 2288#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 2289#L127 assume !(node3_~m3~0 != ~nomsg~0); 2285#L127-1 ~mode3~0 := 0; 2284#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 2282#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 2280#L152 assume !(node4_~m4~0 != ~nomsg~0); 2137#L152-1 ~mode4~0 := 0; 2136#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 2273#L174 assume !(0 != ~mode5~0 % 256); 2272#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 2128#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 2129#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 2126#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 2127#L332 assume !(~r1~0 % 256 >= 5); 2264#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 2262#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 2261#L331-1 check_#res := check_~tmp~1; 2259#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 2257#L424 assume !(0 == assert_~arg % 256); 2003#L419 [2021-11-09 09:43:02,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:02,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 6 times [2021-11-09 09:43:02,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:02,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251691452] [2021-11-09 09:43:02,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:02,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:02,531 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:43:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:02,555 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:43:02,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:02,556 INFO L85 PathProgramCache]: Analyzing trace with hash -735280051, now seen corresponding path program 1 times [2021-11-09 09:43:02,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:02,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716643075] [2021-11-09 09:43:02,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:02,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:02,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:02,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716643075] [2021-11-09 09:43:02,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716643075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:02,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:02,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:02,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378501274] [2021-11-09 09:43:02,654 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:02,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:02,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:43:02,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:43:02,655 INFO L87 Difference]: Start difference. First operand 373 states and 541 transitions. cyclomatic complexity: 169 Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-09 09:43:02,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:02,681 INFO L93 Difference]: Finished difference Result 677 states and 981 transitions. [2021-11-09 09:43:02,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:43:02,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 677 states and 981 transitions. [2021-11-09 09:43:02,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 640 [2021-11-09 09:43:02,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 677 states to 677 states and 981 transitions. [2021-11-09 09:43:02,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 677 [2021-11-09 09:43:02,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 677 [2021-11-09 09:43:02,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 677 states and 981 transitions. [2021-11-09 09:43:02,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:02,704 INFO L681 BuchiCegarLoop]: Abstraction has 677 states and 981 transitions. [2021-11-09 09:43:02,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states and 981 transitions. [2021-11-09 09:43:02,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 661. [2021-11-09 09:43:02,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 661 states have (on average 1.447806354009077) internal successors, (957), 660 states have internal predecessors, (957), 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) [2021-11-09 09:43:02,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 957 transitions. [2021-11-09 09:43:02,726 INFO L704 BuchiCegarLoop]: Abstraction has 661 states and 957 transitions. [2021-11-09 09:43:02,726 INFO L587 BuchiCegarLoop]: Abstraction has 661 states and 957 transitions. [2021-11-09 09:43:02,727 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-09 09:43:02,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 661 states and 957 transitions. [2021-11-09 09:43:02,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 624 [2021-11-09 09:43:02,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:02,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:02,735 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] [2021-11-09 09:43:02,735 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-11-09 09:43:02,735 INFO L791 eck$LassoCheckResult]: Stem: 3109#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 3098#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 3032#L198 assume 0 == ~r1~0 % 256; 3033#L199 assume ~id1~0 >= 0; 3094#L200 assume 0 == ~st1~0; 3095#L201 assume ~send1~0 == ~id1~0; 3066#L202 assume 0 == ~mode1~0 % 256; 3067#L203 assume ~id2~0 >= 0; 3083#L204 assume 0 == ~st2~0; 3038#L205 assume ~send2~0 == ~id2~0; 3039#L206 assume 0 == ~mode2~0 % 256; 3034#L207 assume ~id3~0 >= 0; 3035#L208 assume 0 == ~st3~0; 3097#L209 assume ~send3~0 == ~id3~0; 3043#L210 assume 0 == ~mode3~0 % 256; 3044#L211 assume ~id4~0 >= 0; 3036#L212 assume 0 == ~st4~0; 3037#L213 assume ~send4~0 == ~id4~0; 3117#L214 assume 0 == ~mode4~0 % 256; 3118#L215 assume ~id5~0 >= 0; 3096#L216 assume 0 == ~st5~0; 3073#L217 assume ~send5~0 == ~id5~0; 3074#L218 assume 0 == ~mode5~0 % 256; 3099#L219 assume ~id1~0 != ~id2~0; 3123#L220 assume ~id1~0 != ~id3~0; 3065#L221 assume ~id1~0 != ~id4~0; 3063#L222 assume ~id1~0 != ~id5~0; 3064#L223 assume ~id2~0 != ~id3~0; 3055#L224 assume ~id2~0 != ~id4~0; 3056#L225 assume ~id2~0 != ~id5~0; 3051#L226 assume ~id3~0 != ~id4~0; 3052#L227 assume ~id3~0 != ~id5~0; 3068#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 3069#L198-1 init_#res := init_~tmp~0; 3026#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 3027#L24 assume !(0 == assume_abort_if_not_~cond); 3057#L23 ~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 := 0; 3058#L419 [2021-11-09 09:43:02,736 INFO L793 eck$LassoCheckResult]: Loop: 3058#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 3294#L73 assume !(0 != ~mode1~0 % 256); 3292#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 3290#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 3288#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 3286#L99 assume !(0 != ~mode2~0 % 256); 3284#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 3282#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 3280#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 3277#L124 assume !(0 != ~mode3~0 % 256); 3254#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 3206#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 3205#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 3204#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 3201#L152 assume !(node4_~m4~0 != ~nomsg~0); 3195#L152-1 ~mode4~0 := 0; 3190#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 3187#L174 assume !(0 != ~mode5~0 % 256); 3177#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 3173#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 3171#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 3169#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 3167#L332 assume !(~r1~0 % 256 >= 5); 3165#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 3162#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 3163#L331-1 check_#res := check_~tmp~1; 3506#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 3505#L424 assume !(0 == assert_~arg % 256); 3504#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 3149#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 3150#L77 assume !(node1_~m1~0 != ~nomsg~0); 3147#L77-1 ~mode1~0 := 0; 3516#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 3515#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 3136#L102 assume !(node2_~m2~0 != ~nomsg~0); 3450#L102-1 ~mode2~0 := 0; 3512#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 3510#L124 assume !(0 != ~mode3~0 % 256); 3511#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 3482#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 3480#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 3478#L149 assume !(0 != ~mode4~0 % 256); 3476#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 3414#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 3412#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 3410#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 3382#L177 assume !(node5_~m5~0 != ~nomsg~0); 3378#L177-1 ~mode5~0 := 0; 3376#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 3375#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 3317#L332 assume !(~r1~0 % 256 >= 5); 3319#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 3308#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 3304#L331-1 check_#res := check_~tmp~1; 3305#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 3299#L424 assume !(0 == assert_~arg % 256); 3058#L419 [2021-11-09 09:43:02,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:02,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 7 times [2021-11-09 09:43:02,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:02,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428820837] [2021-11-09 09:43:02,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:02,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:02,751 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:43:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:02,775 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:43:02,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:02,776 INFO L85 PathProgramCache]: Analyzing trace with hash -408095441, now seen corresponding path program 1 times [2021-11-09 09:43:02,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:02,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617105963] [2021-11-09 09:43:02,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:02,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:02,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:02,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617105963] [2021-11-09 09:43:02,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617105963] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:02,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:02,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:02,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568382498] [2021-11-09 09:43:02,856 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:02,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:02,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:43:02,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:43:02,858 INFO L87 Difference]: Start difference. First operand 661 states and 957 transitions. cyclomatic complexity: 297 Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-09 09:43:02,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:02,880 INFO L93 Difference]: Finished difference Result 685 states and 987 transitions. [2021-11-09 09:43:02,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:43:02,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 685 states and 987 transitions. [2021-11-09 09:43:02,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 624 [2021-11-09 09:43:02,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 685 states to 685 states and 987 transitions. [2021-11-09 09:43:02,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 685 [2021-11-09 09:43:02,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 685 [2021-11-09 09:43:02,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 685 states and 987 transitions. [2021-11-09 09:43:02,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:02,933 INFO L681 BuchiCegarLoop]: Abstraction has 685 states and 987 transitions. [2021-11-09 09:43:02,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states and 987 transitions. [2021-11-09 09:43:02,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 677. [2021-11-09 09:43:02,953 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) [2021-11-09 09:43:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 973 transitions. [2021-11-09 09:43:02,958 INFO L704 BuchiCegarLoop]: Abstraction has 677 states and 973 transitions. [2021-11-09 09:43:02,959 INFO L587 BuchiCegarLoop]: Abstraction has 677 states and 973 transitions. [2021-11-09 09:43:02,959 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-09 09:43:02,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 677 states and 973 transitions. [2021-11-09 09:43:02,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 624 [2021-11-09 09:43:02,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:02,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:02,969 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, 1, 1, 1, 1] [2021-11-09 09:43:02,969 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-11-09 09:43:02,969 INFO L791 eck$LassoCheckResult]: Stem: 4466#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 4454#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 4384#L198 assume 0 == ~r1~0 % 256; 4385#L199 assume ~id1~0 >= 0; 4450#L200 assume 0 == ~st1~0; 4451#L201 assume ~send1~0 == ~id1~0; 4419#L202 assume 0 == ~mode1~0 % 256; 4420#L203 assume ~id2~0 >= 0; 4442#L204 assume 0 == ~st2~0; 4393#L205 assume ~send2~0 == ~id2~0; 4394#L206 assume 0 == ~mode2~0 % 256; 4386#L207 assume ~id3~0 >= 0; 4387#L208 assume 0 == ~st3~0; 4453#L209 assume ~send3~0 == ~id3~0; 4395#L210 assume 0 == ~mode3~0 % 256; 4396#L211 assume ~id4~0 >= 0; 4388#L212 assume 0 == ~st4~0; 4389#L213 assume ~send4~0 == ~id4~0; 4474#L214 assume 0 == ~mode4~0 % 256; 4475#L215 assume ~id5~0 >= 0; 4452#L216 assume 0 == ~st5~0; 4426#L217 assume ~send5~0 == ~id5~0; 4427#L218 assume 0 == ~mode5~0 % 256; 4455#L219 assume ~id1~0 != ~id2~0; 4483#L220 assume ~id1~0 != ~id3~0; 4418#L221 assume ~id1~0 != ~id4~0; 4416#L222 assume ~id1~0 != ~id5~0; 4417#L223 assume ~id2~0 != ~id3~0; 4408#L224 assume ~id2~0 != ~id4~0; 4409#L225 assume ~id2~0 != ~id5~0; 4404#L226 assume ~id3~0 != ~id4~0; 4405#L227 assume ~id3~0 != ~id5~0; 4421#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 4422#L198-1 init_#res := init_~tmp~0; 4380#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 4381#L24 assume !(0 == assume_abort_if_not_~cond); 4410#L23 ~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 := 0; 4411#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 4825#L73 assume !(0 != ~mode1~0 % 256); 4823#L87 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 4822#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 4821#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 4819#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 4817#L102 assume !(node2_~m2~0 != ~nomsg~0); 4812#L102-1 ~mode2~0 := 0; 4810#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 4807#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 4805#L127 [2021-11-09 09:43:02,970 INFO L793 eck$LassoCheckResult]: Loop: 4805#L127 assume !(node3_~m3~0 != ~nomsg~0); 4662#L127-1 ~mode3~0 := 0; 4661#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 4660#L149 assume !(0 != ~mode4~0 % 256); 4646#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 4640#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 4636#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 4628#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 4626#L177 assume !(node5_~m5~0 != ~nomsg~0); 4624#L177-1 ~mode5~0 := 0; 4621#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 4619#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 4612#L332 assume !(~r1~0 % 256 >= 5); 4608#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 4604#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 4600#L331-1 check_#res := check_~tmp~1; 4595#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 4590#L424 assume !(0 == assert_~arg % 256); 4585#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 4579#L73 assume !(0 != ~mode1~0 % 256); 4580#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 5048#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 4948#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 4947#L99 assume !(0 != ~mode2~0 % 256); 4946#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 4945#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 4944#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 4942#L124 assume !(0 != ~mode3~0 % 256); 4941#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 4462#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 4463#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 4435#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 4436#L152 assume !(node4_~m4~0 != ~nomsg~0); 4518#L152-1 ~mode4~0 := 0; 4516#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 4514#L174 assume !(0 != ~mode5~0 % 256); 4499#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 4500#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 4492#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 4493#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 4486#L332 assume !(~r1~0 % 256 >= 5); 4487#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 4506#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 4498#L331-1 check_#res := check_~tmp~1; 4494#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 4491#L424 assume !(0 == assert_~arg % 256); 4488#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 4484#L73 assume !(0 != ~mode1~0 % 256); 4485#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 5042#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 4980#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 4824#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 4814#L102 assume !(node2_~m2~0 != ~nomsg~0); 4811#L102-1 ~mode2~0 := 0; 4809#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 4808#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 4805#L127 [2021-11-09 09:43:02,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:02,971 INFO L85 PathProgramCache]: Analyzing trace with hash 981899796, now seen corresponding path program 1 times [2021-11-09 09:43:02,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:02,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19477925] [2021-11-09 09:43:02,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:02,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:03,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:03,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19477925] [2021-11-09 09:43:03,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19477925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:03,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:03,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 09:43:03,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230108691] [2021-11-09 09:43:03,129 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:43:03,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:03,130 INFO L85 PathProgramCache]: Analyzing trace with hash 590732463, now seen corresponding path program 1 times [2021-11-09 09:43:03,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:03,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261675793] [2021-11-09 09:43:03,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:03,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:03,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:03,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261675793] [2021-11-09 09:43:03,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261675793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:03,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:03,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:03,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371726754] [2021-11-09 09:43:03,224 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:03,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:03,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 09:43:03,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-09 09:43:03,226 INFO L87 Difference]: Start difference. First operand 677 states and 973 transitions. cyclomatic complexity: 297 Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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) [2021-11-09 09:43:03,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:03,631 INFO L93 Difference]: Finished difference Result 1925 states and 2780 transitions. [2021-11-09 09:43:03,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 09:43:03,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1925 states and 2780 transitions. [2021-11-09 09:43:03,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1872 [2021-11-09 09:43:03,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1925 states to 1925 states and 2780 transitions. [2021-11-09 09:43:03,677 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1925 [2021-11-09 09:43:03,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1925 [2021-11-09 09:43:03,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1925 states and 2780 transitions. [2021-11-09 09:43:03,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:03,686 INFO L681 BuchiCegarLoop]: Abstraction has 1925 states and 2780 transitions. [2021-11-09 09:43:03,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states and 2780 transitions. [2021-11-09 09:43:03,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1301. [2021-11-09 09:43:03,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 1301 states have (on average 1.441967717140661) internal successors, (1876), 1300 states have internal predecessors, (1876), 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) [2021-11-09 09:43:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1876 transitions. [2021-11-09 09:43:03,732 INFO L704 BuchiCegarLoop]: Abstraction has 1301 states and 1876 transitions. [2021-11-09 09:43:03,732 INFO L587 BuchiCegarLoop]: Abstraction has 1301 states and 1876 transitions. [2021-11-09 09:43:03,732 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-09 09:43:03,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1301 states and 1876 transitions. [2021-11-09 09:43:03,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1248 [2021-11-09 09:43:03,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:03,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:03,746 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, 1, 1, 1, 1] [2021-11-09 09:43:03,747 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:43:03,747 INFO L791 eck$LassoCheckResult]: Stem: 7087#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 7078#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 7008#L198 assume 0 == ~r1~0 % 256; 7009#L199 assume ~id1~0 >= 0; 7074#L200 assume 0 == ~st1~0; 7075#L201 assume ~send1~0 == ~id1~0; 7042#L202 assume 0 == ~mode1~0 % 256; 7043#L203 assume ~id2~0 >= 0; 7062#L204 assume 0 == ~st2~0; 7014#L205 assume ~send2~0 == ~id2~0; 7015#L206 assume 0 == ~mode2~0 % 256; 7010#L207 assume ~id3~0 >= 0; 7011#L208 assume 0 == ~st3~0; 7077#L209 assume ~send3~0 == ~id3~0; 7019#L210 assume 0 == ~mode3~0 % 256; 7020#L211 assume ~id4~0 >= 0; 7012#L212 assume 0 == ~st4~0; 7013#L213 assume ~send4~0 == ~id4~0; 7094#L214 assume 0 == ~mode4~0 % 256; 7095#L215 assume ~id5~0 >= 0; 7076#L216 assume 0 == ~st5~0; 7050#L217 assume ~send5~0 == ~id5~0; 7051#L218 assume 0 == ~mode5~0 % 256; 7079#L219 assume ~id1~0 != ~id2~0; 7101#L220 assume ~id1~0 != ~id3~0; 7041#L221 assume ~id1~0 != ~id4~0; 7039#L222 assume ~id1~0 != ~id5~0; 7040#L223 assume ~id2~0 != ~id3~0; 7031#L224 assume ~id2~0 != ~id4~0; 7032#L225 assume ~id2~0 != ~id5~0; 7027#L226 assume ~id3~0 != ~id4~0; 7028#L227 assume ~id3~0 != ~id5~0; 7044#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 7045#L198-1 init_#res := init_~tmp~0; 7002#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 7003#L24 assume !(0 == assume_abort_if_not_~cond); 7033#L23 ~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 := 0; 7034#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 7118#L73 assume !(0 != ~mode1~0 % 256); 7117#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 7116#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 7115#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 7114#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 7111#L102 assume !(node2_~m2~0 != ~nomsg~0); 7107#L102-1 ~mode2~0 := 0; 7108#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 7103#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 7036#L127 [2021-11-09 09:43:03,747 INFO L793 eck$LassoCheckResult]: Loop: 7036#L127 assume !(node3_~m3~0 != ~nomsg~0); 7046#L127-1 ~mode3~0 := 0; 7047#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 8265#L149 assume !(0 != ~mode4~0 % 256); 8264#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 8206#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 8203#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 8200#L174 assume !(0 != ~mode5~0 % 256); 8198#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 8130#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 8123#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 8119#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 8113#L332 assume !(~r1~0 % 256 >= 5); 8110#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 8108#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 8105#L331-1 check_#res := check_~tmp~1; 8103#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 8101#L424 assume !(0 == assert_~arg % 256); 7826#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 7822#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 7821#L77 assume !(node1_~m1~0 != ~nomsg~0); 7048#L77-1 ~mode1~0 := 0; 7049#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 7119#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 7120#L102 assume !(node2_~m2~0 != ~nomsg~0); 8031#L102-1 ~mode2~0 := 0; 8094#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 8093#L124 assume !(0 != ~mode3~0 % 256); 8092#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 8091#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 8090#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 8088#L149 assume !(0 != ~mode4~0 % 256); 8067#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 8062#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 8057#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 7993#L174 assume !(0 != ~mode5~0 % 256); 7976#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 7971#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 7967#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 7963#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 7959#L332 assume !(~r1~0 % 256 >= 5); 7955#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 7950#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 7946#L331-1 check_#res := check_~tmp~1; 7941#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 7937#L424 assume !(0 == assert_~arg % 256); 7933#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 7928#L73 assume !(0 != ~mode1~0 % 256); 7123#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 7206#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 7918#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 7910#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 7080#L102 assume !(node2_~m2~0 != ~nomsg~0); 7052#L102-1 ~mode2~0 := 0; 7053#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 7035#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 7036#L127 [2021-11-09 09:43:03,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:03,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1791246422, now seen corresponding path program 1 times [2021-11-09 09:43:03,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:03,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939930405] [2021-11-09 09:43:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:03,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:03,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:03,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:03,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939930405] [2021-11-09 09:43:03,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939930405] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:03,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:03,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:03,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412779625] [2021-11-09 09:43:03,802 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:43:03,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:03,803 INFO L85 PathProgramCache]: Analyzing trace with hash 76132783, now seen corresponding path program 1 times [2021-11-09 09:43:03,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:03,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747507161] [2021-11-09 09:43:03,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:03,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:03,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:03,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747507161] [2021-11-09 09:43:03,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747507161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:03,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:03,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:03,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575820473] [2021-11-09 09:43:03,881 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:03,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:03,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:43:03,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:43:03,882 INFO L87 Difference]: Start difference. First operand 1301 states and 1876 transitions. cyclomatic complexity: 576 Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-09 09:43:03,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:03,906 INFO L93 Difference]: Finished difference Result 1295 states and 1849 transitions. [2021-11-09 09:43:03,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:43:03,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1295 states and 1849 transitions. [2021-11-09 09:43:03,921 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1248 [2021-11-09 09:43:03,936 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1295 states to 1295 states and 1849 transitions. [2021-11-09 09:43:03,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1295 [2021-11-09 09:43:03,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1295 [2021-11-09 09:43:03,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1295 states and 1849 transitions. [2021-11-09 09:43:03,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:03,942 INFO L681 BuchiCegarLoop]: Abstraction has 1295 states and 1849 transitions. [2021-11-09 09:43:03,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states and 1849 transitions. [2021-11-09 09:43:03,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1295. [2021-11-09 09:43:03,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 1295 states have (on average 1.4277992277992277) internal successors, (1849), 1294 states have internal predecessors, (1849), 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) [2021-11-09 09:43:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1849 transitions. [2021-11-09 09:43:03,978 INFO L704 BuchiCegarLoop]: Abstraction has 1295 states and 1849 transitions. [2021-11-09 09:43:03,979 INFO L587 BuchiCegarLoop]: Abstraction has 1295 states and 1849 transitions. [2021-11-09 09:43:03,979 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-09 09:43:03,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1295 states and 1849 transitions. [2021-11-09 09:43:03,988 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1248 [2021-11-09 09:43:03,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:03,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:03,996 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, 1, 1, 1, 1] [2021-11-09 09:43:03,996 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:43:03,997 INFO L791 eck$LassoCheckResult]: Stem: 9688#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 9676#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 9611#L198 assume 0 == ~r1~0 % 256; 9612#L199 assume ~id1~0 >= 0; 9672#L200 assume 0 == ~st1~0; 9673#L201 assume ~send1~0 == ~id1~0; 9645#L202 assume 0 == ~mode1~0 % 256; 9646#L203 assume ~id2~0 >= 0; 9662#L204 assume 0 == ~st2~0; 9617#L205 assume ~send2~0 == ~id2~0; 9618#L206 assume 0 == ~mode2~0 % 256; 9613#L207 assume ~id3~0 >= 0; 9614#L208 assume 0 == ~st3~0; 9675#L209 assume ~send3~0 == ~id3~0; 9622#L210 assume 0 == ~mode3~0 % 256; 9623#L211 assume ~id4~0 >= 0; 9615#L212 assume 0 == ~st4~0; 9616#L213 assume ~send4~0 == ~id4~0; 9697#L214 assume 0 == ~mode4~0 % 256; 9698#L215 assume ~id5~0 >= 0; 9674#L216 assume 0 == ~st5~0; 9652#L217 assume ~send5~0 == ~id5~0; 9653#L218 assume 0 == ~mode5~0 % 256; 9677#L219 assume ~id1~0 != ~id2~0; 9703#L220 assume ~id1~0 != ~id3~0; 9644#L221 assume ~id1~0 != ~id4~0; 9642#L222 assume ~id1~0 != ~id5~0; 9643#L223 assume ~id2~0 != ~id3~0; 9634#L224 assume ~id2~0 != ~id4~0; 9635#L225 assume ~id2~0 != ~id5~0; 9630#L226 assume ~id3~0 != ~id4~0; 9631#L227 assume ~id3~0 != ~id5~0; 9647#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 9648#L198-1 init_#res := init_~tmp~0; 9605#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 9606#L24 assume !(0 == assume_abort_if_not_~cond); 9636#L23 ~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 := 0; 9637#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 9714#L73 assume !(0 != ~mode1~0 % 256); 9713#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 9712#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 9711#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 9710#L99 assume !(0 != ~mode2~0 % 256); 9709#L112 assume !(~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0);node2_#t~ite8 := ~p2_new~0; 9708#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 9707#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 9704#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 9705#L127 [2021-11-09 09:43:03,998 INFO L793 eck$LassoCheckResult]: Loop: 9705#L127 assume !(node3_~m3~0 != ~nomsg~0); 10199#L127-1 ~mode3~0 := 0; 10197#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 10194#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 10190#L152 assume !(node4_~m4~0 != ~nomsg~0); 10187#L152-1 ~mode4~0 := 0; 10184#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 10182#L174 assume !(0 != ~mode5~0 % 256); 10181#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 10093#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 10091#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 10089#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 10088#L332 assume !(~r1~0 % 256 >= 5); 10084#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 10082#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 10080#L331-1 check_#res := check_~tmp~1; 10077#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 10076#L424 assume !(0 == assert_~arg % 256); 10072#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 10058#L73 assume !(0 != ~mode1~0 % 256); 10056#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 10053#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 10051#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 10049#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 10006#L102 assume !(node2_~m2~0 != ~nomsg~0); 10003#L102-1 ~mode2~0 := 0; 10001#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 9998#L124 assume !(0 != ~mode3~0 % 256); 9996#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 9993#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 9991#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 9988#L149 assume !(0 != ~mode4~0 % 256); 9986#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 9962#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 9960#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 9909#L174 assume !(0 != ~mode5~0 % 256); 9858#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 9850#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 9845#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 9842#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 9837#L332 assume !(~r1~0 % 256 >= 5); 9835#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 9836#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 9734#L331-1 check_#res := check_~tmp~1; 9730#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 9731#L424 assume !(0 == assert_~arg % 256); 10233#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 10228#L73 assume !(0 != ~mode1~0 % 256); 10226#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 10223#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 10219#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 10216#L99 assume !(0 != ~mode2~0 % 256); 10214#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 10211#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 10210#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 10206#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 9705#L127 [2021-11-09 09:43:03,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:03,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1809993610, now seen corresponding path program 1 times [2021-11-09 09:43:03,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:03,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809439763] [2021-11-09 09:43:03,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:03,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:04,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:04,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:04,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809439763] [2021-11-09 09:43:04,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809439763] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:04,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:04,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 09:43:04,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297456573] [2021-11-09 09:43:04,094 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:43:04,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:04,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1330215899, now seen corresponding path program 1 times [2021-11-09 09:43:04,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:04,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823052916] [2021-11-09 09:43:04,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:04,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:04,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:04,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823052916] [2021-11-09 09:43:04,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823052916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:04,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:04,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:04,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949578957] [2021-11-09 09:43:04,166 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:04,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:04,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 09:43:04,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-09 09:43:04,167 INFO L87 Difference]: Start difference. First operand 1295 states and 1849 transitions. cyclomatic complexity: 556 Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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) [2021-11-09 09:43:04,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:04,507 INFO L93 Difference]: Finished difference Result 3791 states and 5416 transitions. [2021-11-09 09:43:04,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 09:43:04,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3791 states and 5416 transitions. [2021-11-09 09:43:04,551 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 3744 [2021-11-09 09:43:04,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3791 states to 3791 states and 5416 transitions. [2021-11-09 09:43:04,595 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3791 [2021-11-09 09:43:04,602 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3791 [2021-11-09 09:43:04,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3791 states and 5416 transitions. [2021-11-09 09:43:04,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:04,610 INFO L681 BuchiCegarLoop]: Abstraction has 3791 states and 5416 transitions. [2021-11-09 09:43:04,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states and 5416 transitions. [2021-11-09 09:43:04,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 2543. [2021-11-09 09:43:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2543 states, 2543 states have (on average 1.4282343688556822) internal successors, (3632), 2542 states have internal predecessors, (3632), 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) [2021-11-09 09:43:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2543 states and 3632 transitions. [2021-11-09 09:43:04,694 INFO L704 BuchiCegarLoop]: Abstraction has 2543 states and 3632 transitions. [2021-11-09 09:43:04,695 INFO L587 BuchiCegarLoop]: Abstraction has 2543 states and 3632 transitions. [2021-11-09 09:43:04,695 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-09 09:43:04,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2543 states and 3632 transitions. [2021-11-09 09:43:04,714 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2496 [2021-11-09 09:43:04,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:04,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:04,717 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, 1, 1, 1, 1] [2021-11-09 09:43:04,717 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:43:04,717 INFO L791 eck$LassoCheckResult]: Stem: 14803#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 14786#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 14719#L198 assume 0 == ~r1~0 % 256; 14720#L199 assume ~id1~0 >= 0; 14782#L200 assume 0 == ~st1~0; 14783#L201 assume ~send1~0 == ~id1~0; 14753#L202 assume 0 == ~mode1~0 % 256; 14754#L203 assume ~id2~0 >= 0; 14771#L204 assume 0 == ~st2~0; 14725#L205 assume ~send2~0 == ~id2~0; 14726#L206 assume 0 == ~mode2~0 % 256; 14721#L207 assume ~id3~0 >= 0; 14722#L208 assume 0 == ~st3~0; 14785#L209 assume ~send3~0 == ~id3~0; 14730#L210 assume 0 == ~mode3~0 % 256; 14731#L211 assume ~id4~0 >= 0; 14723#L212 assume 0 == ~st4~0; 14724#L213 assume ~send4~0 == ~id4~0; 14812#L214 assume 0 == ~mode4~0 % 256; 14813#L215 assume ~id5~0 >= 0; 14784#L216 assume 0 == ~st5~0; 14761#L217 assume ~send5~0 == ~id5~0; 14762#L218 assume 0 == ~mode5~0 % 256; 14787#L219 assume ~id1~0 != ~id2~0; 14818#L220 assume ~id1~0 != ~id3~0; 14752#L221 assume ~id1~0 != ~id4~0; 14750#L222 assume ~id1~0 != ~id5~0; 14751#L223 assume ~id2~0 != ~id3~0; 14742#L224 assume ~id2~0 != ~id4~0; 14743#L225 assume ~id2~0 != ~id5~0; 14738#L226 assume ~id3~0 != ~id4~0; 14739#L227 assume ~id3~0 != ~id5~0; 14755#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 14756#L198-1 init_#res := init_~tmp~0; 14713#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 14714#L24 assume !(0 == assume_abort_if_not_~cond); 14744#L23 ~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 := 0; 14745#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 14829#L73 assume !(0 != ~mode1~0 % 256); 14828#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 14827#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 14826#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 14825#L99 assume !(0 != ~mode2~0 % 256); 14824#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 14823#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 14822#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 14819#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 14820#L127 [2021-11-09 09:43:04,718 INFO L793 eck$LassoCheckResult]: Loop: 14820#L127 assume !(node3_~m3~0 != ~nomsg~0); 16770#L127-1 ~mode3~0 := 0; 16768#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 16766#L149 assume !(0 != ~mode4~0 % 256); 16764#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 16760#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 16757#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 16752#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 16740#L177 assume !(node5_~m5~0 != ~nomsg~0); 16737#L177-1 ~mode5~0 := 0; 16734#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 16732#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 16730#L332 assume !(~r1~0 % 256 >= 5); 16728#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 16726#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 16724#L331-1 check_#res := check_~tmp~1; 16722#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 16720#L424 assume !(0 == assert_~arg % 256); 16718#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 16716#L73 assume !(0 != ~mode1~0 % 256); 16161#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 16149#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 16146#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 16107#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 15790#L102 assume !(node2_~m2~0 != ~nomsg~0); 15791#L102-1 ~mode2~0 := 0; 17017#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 17016#L124 assume !(0 != ~mode3~0 % 256); 17014#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 17012#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 17010#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 17007#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 16997#L152 assume !(node4_~m4~0 != ~nomsg~0); 16994#L152-1 ~mode4~0 := 0; 16990#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 16988#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 16986#L177 assume !(node5_~m5~0 != ~nomsg~0); 16981#L177-1 ~mode5~0 := 0; 16977#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 16975#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 16973#L332 assume !(~r1~0 % 256 >= 5); 16970#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 16968#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 16965#L331-1 check_#res := check_~tmp~1; 16963#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 16961#L424 assume !(0 == assert_~arg % 256); 16959#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 16957#L73 assume !(0 != ~mode1~0 % 256); 14777#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 16787#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 16785#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 16783#L99 assume !(0 != ~mode2~0 % 256); 16781#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 15775#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 16778#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 16776#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 14820#L127 [2021-11-09 09:43:04,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:04,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1809934028, now seen corresponding path program 1 times [2021-11-09 09:43:04,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:04,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067405472] [2021-11-09 09:43:04,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:04,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:04,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:04,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067405472] [2021-11-09 09:43:04,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067405472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:04,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:04,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:43:04,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448323832] [2021-11-09 09:43:04,794 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:43:04,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:04,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1301942073, now seen corresponding path program 1 times [2021-11-09 09:43:04,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:04,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619707150] [2021-11-09 09:43:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:04,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:04,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:04,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619707150] [2021-11-09 09:43:04,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619707150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:04,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:04,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:04,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301494379] [2021-11-09 09:43:04,871 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:04,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:04,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:43:04,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:43:04,873 INFO L87 Difference]: Start difference. First operand 2543 states and 3632 transitions. cyclomatic complexity: 1091 Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-09 09:43:04,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:04,898 INFO L93 Difference]: Finished difference Result 1295 states and 1839 transitions. [2021-11-09 09:43:04,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:43:04,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1295 states and 1839 transitions. [2021-11-09 09:43:04,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1248 [2021-11-09 09:43:04,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1295 states to 1295 states and 1839 transitions. [2021-11-09 09:43:04,929 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1295 [2021-11-09 09:43:04,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1295 [2021-11-09 09:43:04,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1295 states and 1839 transitions. [2021-11-09 09:43:04,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:04,935 INFO L681 BuchiCegarLoop]: Abstraction has 1295 states and 1839 transitions. [2021-11-09 09:43:04,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states and 1839 transitions. [2021-11-09 09:43:04,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1285. [2021-11-09 09:43:04,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1285 states have (on average 1.4233463035019456) internal successors, (1829), 1284 states have internal predecessors, (1829), 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) [2021-11-09 09:43:04,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1829 transitions. [2021-11-09 09:43:04,976 INFO L704 BuchiCegarLoop]: Abstraction has 1285 states and 1829 transitions. [2021-11-09 09:43:04,976 INFO L587 BuchiCegarLoop]: Abstraction has 1285 states and 1829 transitions. [2021-11-09 09:43:04,976 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-09 09:43:04,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1285 states and 1829 transitions. [2021-11-09 09:43:04,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1248 [2021-11-09 09:43:04,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:04,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:04,986 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] [2021-11-09 09:43:04,986 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-11-09 09:43:04,986 INFO L791 eck$LassoCheckResult]: Stem: 18648#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 18631#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 18564#L198 assume 0 == ~r1~0 % 256; 18565#L199 assume ~id1~0 >= 0; 18627#L200 assume 0 == ~st1~0; 18628#L201 assume ~send1~0 == ~id1~0; 18597#L202 assume 0 == ~mode1~0 % 256; 18598#L203 assume ~id2~0 >= 0; 18620#L204 assume 0 == ~st2~0; 18573#L205 assume ~send2~0 == ~id2~0; 18574#L206 assume 0 == ~mode2~0 % 256; 18566#L207 assume ~id3~0 >= 0; 18567#L208 assume 0 == ~st3~0; 18630#L209 assume ~send3~0 == ~id3~0; 18578#L210 assume 0 == ~mode3~0 % 256; 18579#L211 assume ~id4~0 >= 0; 18568#L212 assume 0 == ~st4~0; 18569#L213 assume ~send4~0 == ~id4~0; 18656#L214 assume 0 == ~mode4~0 % 256; 18657#L215 assume ~id5~0 >= 0; 18629#L216 assume 0 == ~st5~0; 18605#L217 assume ~send5~0 == ~id5~0; 18606#L218 assume 0 == ~mode5~0 % 256; 18632#L219 assume ~id1~0 != ~id2~0; 18662#L220 assume ~id1~0 != ~id3~0; 18596#L221 assume ~id1~0 != ~id4~0; 18594#L222 assume ~id1~0 != ~id5~0; 18595#L223 assume ~id2~0 != ~id3~0; 18587#L224 assume ~id2~0 != ~id4~0; 18588#L225 assume ~id2~0 != ~id5~0; 18583#L226 assume ~id3~0 != ~id4~0; 18584#L227 assume ~id3~0 != ~id5~0; 18599#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 18600#L198-1 init_#res := init_~tmp~0; 18560#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 18561#L24 assume !(0 == assume_abort_if_not_~cond); 18589#L23 ~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 := 0; 18558#L419 [2021-11-09 09:43:04,987 INFO L793 eck$LassoCheckResult]: Loop: 18558#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 18559#L73 assume !(0 != ~mode1~0 % 256); 18622#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 18562#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 18563#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 18623#L99 assume !(0 != ~mode2~0 % 256); 18633#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 18649#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 18636#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 18637#L124 assume !(0 != ~mode3~0 % 256); 19093#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 19092#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 19091#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 18844#L149 assume !(0 != ~mode4~0 % 256); 18842#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 18843#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 19084#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 19083#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 18818#L177 assume !(node5_~m5~0 != ~nomsg~0); 18817#L177-1 ~mode5~0 := 0; 18800#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 18801#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 18793#L332 assume !(~r1~0 % 256 >= 5); 18794#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 18780#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 18781#L331-1 check_#res := check_~tmp~1; 18764#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 18765#L424 assume !(0 == assert_~arg % 256); 18748#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 18749#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 19055#L77 assume !(node1_~m1~0 != ~nomsg~0); 18655#L77-1 ~mode1~0 := 0; 19788#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 19787#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 19786#L102 assume !(node2_~m2~0 != ~nomsg~0); 18643#L102-1 ~mode2~0 := 0; 19785#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 19784#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 19779#L127 assume !(node3_~m3~0 != ~nomsg~0); 18635#L127-1 ~mode3~0 := 0; 19776#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 19775#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 19772#L152 assume !(node4_~m4~0 != ~nomsg~0); 19768#L152-1 ~mode4~0 := 0; 19766#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 19765#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 18688#L177 assume !(node5_~m5~0 != ~nomsg~0); 18685#L177-1 ~mode5~0 := 0; 18674#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 18675#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 18667#L332 assume !(~r1~0 % 256 >= 5); 18669#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 18690#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 18619#L331-1 check_#res := check_~tmp~1; 18556#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 18557#L424 assume !(0 == assert_~arg % 256); 18558#L419 [2021-11-09 09:43:04,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:04,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 8 times [2021-11-09 09:43:04,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:04,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593184286] [2021-11-09 09:43:04,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:04,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:05,008 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:43:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:05,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:43:05,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:05,031 INFO L85 PathProgramCache]: Analyzing trace with hash 199089987, now seen corresponding path program 1 times [2021-11-09 09:43:05,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:05,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673943510] [2021-11-09 09:43:05,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:05,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:05,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:05,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673943510] [2021-11-09 09:43:05,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673943510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:05,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:05,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:05,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382525278] [2021-11-09 09:43:05,109 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:05,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:05,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:43:05,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:43:05,110 INFO L87 Difference]: Start difference. First operand 1285 states and 1829 transitions. cyclomatic complexity: 545 Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-09 09:43:05,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:05,142 INFO L93 Difference]: Finished difference Result 2405 states and 3365 transitions. [2021-11-09 09:43:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:43:05,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2405 states and 3365 transitions. [2021-11-09 09:43:05,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2368 [2021-11-09 09:43:05,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2405 states to 2405 states and 3365 transitions. [2021-11-09 09:43:05,183 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2405 [2021-11-09 09:43:05,187 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2405 [2021-11-09 09:43:05,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2405 states and 3365 transitions. [2021-11-09 09:43:05,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:05,193 INFO L681 BuchiCegarLoop]: Abstraction has 2405 states and 3365 transitions. [2021-11-09 09:43:05,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states and 3365 transitions. [2021-11-09 09:43:05,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 2341. [2021-11-09 09:43:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2341 states, 2341 states have (on average 1.3964117898334045) internal successors, (3269), 2340 states have internal predecessors, (3269), 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) [2021-11-09 09:43:05,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 2341 states and 3269 transitions. [2021-11-09 09:43:05,263 INFO L704 BuchiCegarLoop]: Abstraction has 2341 states and 3269 transitions. [2021-11-09 09:43:05,264 INFO L587 BuchiCegarLoop]: Abstraction has 2341 states and 3269 transitions. [2021-11-09 09:43:05,264 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-09 09:43:05,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2341 states and 3269 transitions. [2021-11-09 09:43:05,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2304 [2021-11-09 09:43:05,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:05,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:05,279 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] [2021-11-09 09:43:05,279 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-11-09 09:43:05,279 INFO L791 eck$LassoCheckResult]: Stem: 22348#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 22328#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 22260#L198 assume 0 == ~r1~0 % 256; 22261#L199 assume ~id1~0 >= 0; 22324#L200 assume 0 == ~st1~0; 22325#L201 assume ~send1~0 == ~id1~0; 22294#L202 assume 0 == ~mode1~0 % 256; 22295#L203 assume ~id2~0 >= 0; 22316#L204 assume 0 == ~st2~0; 22269#L205 assume ~send2~0 == ~id2~0; 22270#L206 assume 0 == ~mode2~0 % 256; 22262#L207 assume ~id3~0 >= 0; 22263#L208 assume 0 == ~st3~0; 22327#L209 assume ~send3~0 == ~id3~0; 22274#L210 assume 0 == ~mode3~0 % 256; 22275#L211 assume ~id4~0 >= 0; 22264#L212 assume 0 == ~st4~0; 22265#L213 assume ~send4~0 == ~id4~0; 22359#L214 assume 0 == ~mode4~0 % 256; 22360#L215 assume ~id5~0 >= 0; 22326#L216 assume 0 == ~st5~0; 22304#L217 assume ~send5~0 == ~id5~0; 22305#L218 assume 0 == ~mode5~0 % 256; 22329#L219 assume ~id1~0 != ~id2~0; 22364#L220 assume ~id1~0 != ~id3~0; 22293#L221 assume ~id1~0 != ~id4~0; 22291#L222 assume ~id1~0 != ~id5~0; 22292#L223 assume ~id2~0 != ~id3~0; 22283#L224 assume ~id2~0 != ~id4~0; 22284#L225 assume ~id2~0 != ~id5~0; 22279#L226 assume ~id3~0 != ~id4~0; 22280#L227 assume ~id3~0 != ~id5~0; 22296#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 22297#L198-1 init_#res := init_~tmp~0; 22256#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 22257#L24 assume !(0 == assume_abort_if_not_~cond); 22287#L23 ~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 := 0; 22288#L419 [2021-11-09 09:43:05,280 INFO L793 eck$LassoCheckResult]: Loop: 22288#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 23172#L73 assume !(0 != ~mode1~0 % 256); 23169#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 22836#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 23168#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 23131#L99 assume !(0 != ~mode2~0 % 256); 23097#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 23095#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 23093#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 23091#L124 assume !(0 != ~mode3~0 % 256); 23089#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 23087#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 23086#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 23073#L149 assume !(0 != ~mode4~0 % 256); 23072#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 22770#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 22771#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 22748#L174 assume !(0 != ~mode5~0 % 256); 22363#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 23059#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 22579#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 22580#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 22569#L332 assume !(~r1~0 % 256 >= 5); 22563#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 22564#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 23056#L331-1 check_#res := check_~tmp~1; 22543#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 22544#L424 assume !(0 == assert_~arg % 256); 22527#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 22528#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 22512#L77 assume !(node1_~m1~0 != ~nomsg~0); 22513#L77-1 ~mode1~0 := 0; 23650#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 23648#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 23645#L102 assume !(node2_~m2~0 != ~nomsg~0); 23646#L102-1 ~mode2~0 := 0; 24186#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 24185#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 24183#L127 assume !(node3_~m3~0 != ~nomsg~0); 24091#L127-1 ~mode3~0 := 0; 24181#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 24180#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 24177#L152 assume !(node4_~m4~0 != ~nomsg~0); 23356#L152-1 ~mode4~0 := 0; 24173#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 24174#L174 assume !(0 != ~mode5~0 % 256); 24170#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 23193#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 23191#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 23188#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 23185#L332 assume !(~r1~0 % 256 >= 5); 23182#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 23179#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 23177#L331-1 check_#res := check_~tmp~1; 23175#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 23174#L424 assume !(0 == assert_~arg % 256); 22288#L419 [2021-11-09 09:43:05,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:05,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 9 times [2021-11-09 09:43:05,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:05,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159619525] [2021-11-09 09:43:05,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:05,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:05,299 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:43:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:05,333 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:43:05,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:05,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1604198865, now seen corresponding path program 1 times [2021-11-09 09:43:05,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:05,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968651088] [2021-11-09 09:43:05,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:05,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:05,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:05,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968651088] [2021-11-09 09:43:05,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968651088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:05,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:05,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:05,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110761887] [2021-11-09 09:43:05,406 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:05,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:05,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:43:05,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:43:05,408 INFO L87 Difference]: Start difference. First operand 2341 states and 3269 transitions. cyclomatic complexity: 929 Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-09 09:43:05,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:05,440 INFO L93 Difference]: Finished difference Result 2367 states and 3273 transitions. [2021-11-09 09:43:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:43:05,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2367 states and 3273 transitions. [2021-11-09 09:43:05,458 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2304 [2021-11-09 09:43:05,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2367 states to 2367 states and 3273 transitions. [2021-11-09 09:43:05,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2367 [2021-11-09 09:43:05,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2367 [2021-11-09 09:43:05,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2367 states and 3273 transitions. [2021-11-09 09:43:05,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:05,488 INFO L681 BuchiCegarLoop]: Abstraction has 2367 states and 3273 transitions. [2021-11-09 09:43:05,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states and 3273 transitions. [2021-11-09 09:43:05,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2363. [2021-11-09 09:43:05,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2363 states, 2363 states have (on average 1.3821413457469318) internal successors, (3266), 2362 states have internal predecessors, (3266), 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) [2021-11-09 09:43:05,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2363 states and 3266 transitions. [2021-11-09 09:43:05,560 INFO L704 BuchiCegarLoop]: Abstraction has 2363 states and 3266 transitions. [2021-11-09 09:43:05,560 INFO L587 BuchiCegarLoop]: Abstraction has 2363 states and 3266 transitions. [2021-11-09 09:43:05,561 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-11-09 09:43:05,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2363 states and 3266 transitions. [2021-11-09 09:43:05,572 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2304 [2021-11-09 09:43:05,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:05,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:05,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:43:05,575 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-11-09 09:43:05,576 INFO L791 eck$LassoCheckResult]: Stem: 27061#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 27046#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 26974#L198 assume 0 == ~r1~0 % 256; 26975#L199 assume ~id1~0 >= 0; 27042#L200 assume 0 == ~st1~0; 27043#L201 assume ~send1~0 == ~id1~0; 27009#L202 assume 0 == ~mode1~0 % 256; 27010#L203 assume ~id2~0 >= 0; 27029#L204 assume 0 == ~st2~0; 26980#L205 assume ~send2~0 == ~id2~0; 26981#L206 assume 0 == ~mode2~0 % 256; 26976#L207 assume ~id3~0 >= 0; 26977#L208 assume 0 == ~st3~0; 27045#L209 assume ~send3~0 == ~id3~0; 26985#L210 assume 0 == ~mode3~0 % 256; 26986#L211 assume ~id4~0 >= 0; 26978#L212 assume 0 == ~st4~0; 26979#L213 assume ~send4~0 == ~id4~0; 27072#L214 assume 0 == ~mode4~0 % 256; 27073#L215 assume ~id5~0 >= 0; 27044#L216 assume 0 == ~st5~0; 27017#L217 assume ~send5~0 == ~id5~0; 27018#L218 assume 0 == ~mode5~0 % 256; 27047#L219 assume ~id1~0 != ~id2~0; 27076#L220 assume ~id1~0 != ~id3~0; 27008#L221 assume ~id1~0 != ~id4~0; 27006#L222 assume ~id1~0 != ~id5~0; 27007#L223 assume ~id2~0 != ~id3~0; 26998#L224 assume ~id2~0 != ~id4~0; 26999#L225 assume ~id2~0 != ~id5~0; 26994#L226 assume ~id3~0 != ~id4~0; 26995#L227 assume ~id3~0 != ~id5~0; 27011#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 27012#L198-1 init_#res := init_~tmp~0; 26968#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 26969#L24 assume !(0 == assume_abort_if_not_~cond); 27000#L23 ~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 := 0; 27001#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 28292#L73 assume !(0 != ~mode1~0 % 256); 28290#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 28289#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 28288#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 28286#L99 assume !(0 != ~mode2~0 % 256); 28284#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 28282#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 28281#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 28279#L124 assume !(0 != ~mode3~0 % 256); 28277#L137 assume !(~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0);node3_#t~ite9 := ~p3_new~0; 28275#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 28273#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 28270#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 28264#L152 assume !(node4_~m4~0 != ~nomsg~0); 28259#L152-1 ~mode4~0 := 0; 28256#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 28253#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 28207#L177 [2021-11-09 09:43:05,576 INFO L793 eck$LassoCheckResult]: Loop: 28207#L177 assume !(node5_~m5~0 != ~nomsg~0); 27455#L177-1 ~mode5~0 := 0; 27452#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 27392#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 27388#L332 assume !(~r1~0 % 256 >= 5); 27386#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 27384#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 27382#L331-1 check_#res := check_~tmp~1; 27380#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 27378#L424 assume !(0 == assert_~arg % 256); 27376#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 27373#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 27370#L77 assume !(node1_~m1~0 != ~nomsg~0); 27371#L77-1 ~mode1~0 := 0; 28079#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 28077#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 28075#L102 assume !(node2_~m2~0 != ~nomsg~0); 28076#L102-1 ~mode2~0 := 0; 28250#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 28247#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 28243#L127 assume !(node3_~m3~0 != ~nomsg~0); 28240#L127-1 ~mode3~0 := 0; 28238#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 28237#L149 assume !(0 != ~mode4~0 % 256); 28229#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 28225#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 28223#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 28221#L174 assume !(0 != ~mode5~0 % 256); 28219#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 28217#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 28215#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 28213#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 28209#L332 assume !(~r1~0 % 256 >= 5); 28210#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 28212#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 28296#L331-1 check_#res := check_~tmp~1; 28295#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 28294#L424 assume !(0 == assert_~arg % 256); 28293#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 28291#L73 assume !(0 != ~mode1~0 % 256); 28001#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 27591#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 28287#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 28285#L99 assume !(0 != ~mode2~0 % 256); 28283#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 27599#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 28280#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 28278#L124 assume !(0 != ~mode3~0 % 256); 28276#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 28274#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 28272#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 28271#L149 assume !(0 != ~mode4~0 % 256); 28266#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 28260#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 28257#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 28255#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 28207#L177 [2021-11-09 09:43:05,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:05,577 INFO L85 PathProgramCache]: Analyzing trace with hash -687576502, now seen corresponding path program 1 times [2021-11-09 09:43:05,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:05,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734840992] [2021-11-09 09:43:05,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:05,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:05,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:05,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734840992] [2021-11-09 09:43:05,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734840992] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:05,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:05,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 09:43:05,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9943633] [2021-11-09 09:43:05,675 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:43:05,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:05,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1497372241, now seen corresponding path program 1 times [2021-11-09 09:43:05,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:05,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832744013] [2021-11-09 09:43:05,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:05,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:05,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:05,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832744013] [2021-11-09 09:43:05,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832744013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:05,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:05,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:05,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792627158] [2021-11-09 09:43:05,739 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:05,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:05,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 09:43:05,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-09 09:43:05,741 INFO L87 Difference]: Start difference. First operand 2363 states and 3266 transitions. cyclomatic complexity: 905 Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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) [2021-11-09 09:43:06,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:06,084 INFO L93 Difference]: Finished difference Result 6971 states and 9601 transitions. [2021-11-09 09:43:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 09:43:06,085 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6971 states and 9601 transitions. [2021-11-09 09:43:06,197 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6912 [2021-11-09 09:43:06,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6971 states to 6971 states and 9601 transitions. [2021-11-09 09:43:06,250 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6971 [2021-11-09 09:43:06,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6971 [2021-11-09 09:43:06,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6971 states and 9601 transitions. [2021-11-09 09:43:06,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:06,274 INFO L681 BuchiCegarLoop]: Abstraction has 6971 states and 9601 transitions. [2021-11-09 09:43:06,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6971 states and 9601 transitions. [2021-11-09 09:43:06,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6971 to 4667. [2021-11-09 09:43:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4667 states, 4667 states have (on average 1.3784015427469467) internal successors, (6433), 4666 states have internal predecessors, (6433), 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) [2021-11-09 09:43:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4667 states to 4667 states and 6433 transitions. [2021-11-09 09:43:06,418 INFO L704 BuchiCegarLoop]: Abstraction has 4667 states and 6433 transitions. [2021-11-09 09:43:06,418 INFO L587 BuchiCegarLoop]: Abstraction has 4667 states and 6433 transitions. [2021-11-09 09:43:06,418 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-11-09 09:43:06,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4667 states and 6433 transitions. [2021-11-09 09:43:06,442 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4608 [2021-11-09 09:43:06,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:06,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:06,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:43:06,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:43:06,447 INFO L791 eck$LassoCheckResult]: Stem: 36410#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 36396#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 36330#L198 assume 0 == ~r1~0 % 256; 36331#L199 assume ~id1~0 >= 0; 36392#L200 assume 0 == ~st1~0; 36393#L201 assume ~send1~0 == ~id1~0; 36364#L202 assume 0 == ~mode1~0 % 256; 36365#L203 assume ~id2~0 >= 0; 36386#L204 assume 0 == ~st2~0; 36339#L205 assume ~send2~0 == ~id2~0; 36340#L206 assume 0 == ~mode2~0 % 256; 36332#L207 assume ~id3~0 >= 0; 36333#L208 assume 0 == ~st3~0; 36395#L209 assume ~send3~0 == ~id3~0; 36344#L210 assume 0 == ~mode3~0 % 256; 36345#L211 assume ~id4~0 >= 0; 36334#L212 assume 0 == ~st4~0; 36335#L213 assume ~send4~0 == ~id4~0; 36424#L214 assume 0 == ~mode4~0 % 256; 36425#L215 assume ~id5~0 >= 0; 36394#L216 assume 0 == ~st5~0; 36373#L217 assume ~send5~0 == ~id5~0; 36374#L218 assume 0 == ~mode5~0 % 256; 36397#L219 assume ~id1~0 != ~id2~0; 36427#L220 assume ~id1~0 != ~id3~0; 36363#L221 assume ~id1~0 != ~id4~0; 36361#L222 assume ~id1~0 != ~id5~0; 36362#L223 assume ~id2~0 != ~id3~0; 36353#L224 assume ~id2~0 != ~id4~0; 36354#L225 assume ~id2~0 != ~id5~0; 36349#L226 assume ~id3~0 != ~id4~0; 36350#L227 assume ~id3~0 != ~id5~0; 36366#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 36367#L198-1 init_#res := init_~tmp~0; 36326#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 36327#L24 assume !(0 == assume_abort_if_not_~cond); 36357#L23 ~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 := 0; 36358#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 36451#L73 assume !(0 != ~mode1~0 % 256); 36450#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 36449#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 36448#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 36447#L99 assume !(0 != ~mode2~0 % 256); 36446#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 36445#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 36444#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 36443#L124 assume !(0 != ~mode3~0 % 256); 36442#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 36441#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 36440#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 36439#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 36437#L152 assume !(node4_~m4~0 != ~nomsg~0); 36434#L152-1 ~mode4~0 := 0; 36432#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 36429#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 36430#L177 [2021-11-09 09:43:06,447 INFO L793 eck$LassoCheckResult]: Loop: 36430#L177 assume !(node5_~m5~0 != ~nomsg~0); 38029#L177-1 ~mode5~0 := 0; 38027#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 38025#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 38023#L332 assume !(~r1~0 % 256 >= 5); 38021#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 38018#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 38019#L331-1 check_#res := check_~tmp~1; 38464#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 38463#L424 assume !(0 == assert_~arg % 256); 38462#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 38460#L73 assume !(0 != ~mode1~0 % 256); 36906#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 36565#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 36561#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 36559#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 36555#L102 assume !(node2_~m2~0 != ~nomsg~0); 36552#L102-1 ~mode2~0 := 0; 36547#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 36545#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 36541#L127 assume !(node3_~m3~0 != ~nomsg~0); 36538#L127-1 ~mode3~0 := 0; 36537#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 36536#L149 assume !(0 != ~mode4~0 % 256); 36521#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 36517#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 36515#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 36513#L174 assume !(0 != ~mode5~0 % 256); 36509#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 36506#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 36507#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 38305#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 38301#L332 assume !(~r1~0 % 256 >= 5); 38299#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 38296#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 38294#L331-1 check_#res := check_~tmp~1; 38292#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 38288#L424 assume !(0 == assert_~arg % 256); 38287#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 38230#L73 assume !(0 != ~mode1~0 % 256); 38228#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 38224#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 38222#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 38221#L99 assume !(0 != ~mode2~0 % 256); 38220#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 38105#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 38218#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 38216#L124 assume !(0 != ~mode3~0 % 256); 38214#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 37413#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 38213#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 38212#L149 assume !(0 != ~mode4~0 % 256); 38211#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 38187#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 38185#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 38184#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 36430#L177 [2021-11-09 09:43:06,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:06,448 INFO L85 PathProgramCache]: Analyzing trace with hash 121770124, now seen corresponding path program 1 times [2021-11-09 09:43:06,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:06,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168131574] [2021-11-09 09:43:06,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:06,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:06,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:06,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:06,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168131574] [2021-11-09 09:43:06,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168131574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:06,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:06,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:06,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136659349] [2021-11-09 09:43:06,496 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:43:06,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:06,497 INFO L85 PathProgramCache]: Analyzing trace with hash 521331237, now seen corresponding path program 1 times [2021-11-09 09:43:06,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:06,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423685828] [2021-11-09 09:43:06,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:06,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:06,552 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:06,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:06,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423685828] [2021-11-09 09:43:06,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423685828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:06,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:06,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:06,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639373354] [2021-11-09 09:43:06,553 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:06,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:06,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:43:06,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:43:06,555 INFO L87 Difference]: Start difference. First operand 4667 states and 6433 transitions. cyclomatic complexity: 1768 Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-11-09 09:43:06,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:06,614 INFO L93 Difference]: Finished difference Result 8503 states and 11385 transitions. [2021-11-09 09:43:06,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:43:06,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8503 states and 11385 transitions. [2021-11-09 09:43:06,668 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8448 [2021-11-09 09:43:06,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8503 states to 8503 states and 11385 transitions. [2021-11-09 09:43:06,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8503 [2021-11-09 09:43:06,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8503 [2021-11-09 09:43:06,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8503 states and 11385 transitions. [2021-11-09 09:43:06,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:06,761 INFO L681 BuchiCegarLoop]: Abstraction has 8503 states and 11385 transitions. [2021-11-09 09:43:06,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8503 states and 11385 transitions. [2021-11-09 09:43:06,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8503 to 8503. [2021-11-09 09:43:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8503 states, 8503 states have (on average 1.3389391979301424) internal successors, (11385), 8502 states have internal predecessors, (11385), 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) [2021-11-09 09:43:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8503 states to 8503 states and 11385 transitions. [2021-11-09 09:43:06,980 INFO L704 BuchiCegarLoop]: Abstraction has 8503 states and 11385 transitions. [2021-11-09 09:43:06,980 INFO L587 BuchiCegarLoop]: Abstraction has 8503 states and 11385 transitions. [2021-11-09 09:43:06,981 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-11-09 09:43:06,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8503 states and 11385 transitions. [2021-11-09 09:43:07,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8448 [2021-11-09 09:43:07,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:07,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:07,103 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:43:07,103 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-11-09 09:43:07,104 INFO L791 eck$LassoCheckResult]: Stem: 49587#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 49573#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 49507#L198 assume 0 == ~r1~0 % 256; 49508#L199 assume ~id1~0 >= 0; 49569#L200 assume 0 == ~st1~0; 49570#L201 assume ~send1~0 == ~id1~0; 49541#L202 assume 0 == ~mode1~0 % 256; 49542#L203 assume ~id2~0 >= 0; 49559#L204 assume 0 == ~st2~0; 49513#L205 assume ~send2~0 == ~id2~0; 49514#L206 assume 0 == ~mode2~0 % 256; 49509#L207 assume ~id3~0 >= 0; 49510#L208 assume 0 == ~st3~0; 49572#L209 assume ~send3~0 == ~id3~0; 49521#L210 assume 0 == ~mode3~0 % 256; 49522#L211 assume ~id4~0 >= 0; 49511#L212 assume 0 == ~st4~0; 49512#L213 assume ~send4~0 == ~id4~0; 49598#L214 assume 0 == ~mode4~0 % 256; 49599#L215 assume ~id5~0 >= 0; 49571#L216 assume 0 == ~st5~0; 49548#L217 assume ~send5~0 == ~id5~0; 49549#L218 assume 0 == ~mode5~0 % 256; 49574#L219 assume ~id1~0 != ~id2~0; 49603#L220 assume ~id1~0 != ~id3~0; 49540#L221 assume ~id1~0 != ~id4~0; 49538#L222 assume ~id1~0 != ~id5~0; 49539#L223 assume ~id2~0 != ~id3~0; 49530#L224 assume ~id2~0 != ~id4~0; 49531#L225 assume ~id2~0 != ~id5~0; 49526#L226 assume ~id3~0 != ~id4~0; 49527#L227 assume ~id3~0 != ~id5~0; 49543#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 49544#L198-1 init_#res := init_~tmp~0; 49503#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 49504#L24 assume !(0 == assume_abort_if_not_~cond); 49532#L23 ~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 := 0; 49533#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 49624#L73 assume !(0 != ~mode1~0 % 256); 49623#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 49622#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 49621#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 49620#L99 assume !(0 != ~mode2~0 % 256); 49619#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 49618#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 49617#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 49616#L124 assume !(0 != ~mode3~0 % 256); 49615#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 49614#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 49613#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 49612#L149 assume !(0 != ~mode4~0 % 256); 49611#L162 assume !(~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0);node4_#t~ite10 := ~p4_new~0; 49610#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 49609#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 49606#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 49607#L177 [2021-11-09 09:43:07,104 INFO L793 eck$LassoCheckResult]: Loop: 49607#L177 assume !(node5_~m5~0 != ~nomsg~0); 50233#L177-1 ~mode5~0 := 0; 50227#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 50221#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 50215#L332 assume !(~r1~0 % 256 >= 5); 50208#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 50209#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 50693#L331-1 check_#res := check_~tmp~1; 50690#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 50688#L424 assume !(0 == assert_~arg % 256); 50686#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 50657#L73 assume !(0 != ~mode1~0 % 256); 50585#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 50573#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 50568#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 50564#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 50526#L102 assume !(node2_~m2~0 != ~nomsg~0); 50523#L102-1 ~mode2~0 := 0; 50521#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 50501#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 50494#L127 assume !(node3_~m3~0 != ~nomsg~0); 50495#L127-1 ~mode3~0 := 0; 51337#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 51336#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 51334#L152 assume !(node4_~m4~0 != ~nomsg~0); 51329#L152-1 ~mode4~0 := 0; 51327#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 51325#L174 assume !(0 != ~mode5~0 % 256); 51323#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 51321#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 51320#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 51319#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 51317#L332 assume !(~r1~0 % 256 >= 5); 51315#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 51313#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 51312#L331-1 check_#res := check_~tmp~1; 51311#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 51309#L424 assume !(0 == assert_~arg % 256); 51307#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 51304#L73 assume !(0 != ~mode1~0 % 256); 51206#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 51204#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 51202#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 51200#L99 assume !(0 != ~mode2~0 % 256); 51188#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 51186#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 51184#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 51096#L124 assume !(0 != ~mode3~0 % 256); 51090#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 50213#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 51085#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 51081#L149 assume !(0 != ~mode4~0 % 256); 49880#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 51078#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 51076#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 50895#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 49607#L177 [2021-11-09 09:43:07,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:07,105 INFO L85 PathProgramCache]: Analyzing trace with hash 140517312, now seen corresponding path program 1 times [2021-11-09 09:43:07,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:07,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082546928] [2021-11-09 09:43:07,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:07,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:07,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:07,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:07,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082546928] [2021-11-09 09:43:07,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082546928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:07,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:07,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 09:43:07,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640194563] [2021-11-09 09:43:07,201 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:43:07,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:07,202 INFO L85 PathProgramCache]: Analyzing trace with hash -726177617, now seen corresponding path program 2 times [2021-11-09 09:43:07,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:07,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816001070] [2021-11-09 09:43:07,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:07,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:07,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:07,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816001070] [2021-11-09 09:43:07,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816001070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:07,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:07,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:43:07,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752911341] [2021-11-09 09:43:07,259 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:43:07,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:43:07,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 09:43:07,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-09 09:43:07,261 INFO L87 Difference]: Start difference. First operand 8503 states and 11385 transitions. cyclomatic complexity: 2884 Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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) [2021-11-09 09:43:07,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:43:07,644 INFO L93 Difference]: Finished difference Result 25399 states and 33784 transitions. [2021-11-09 09:43:07,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 09:43:07,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25399 states and 33784 transitions. [2021-11-09 09:43:07,805 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 25344 [2021-11-09 09:43:07,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25399 states to 25399 states and 33784 transitions. [2021-11-09 09:43:07,926 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25399 [2021-11-09 09:43:07,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25399 [2021-11-09 09:43:07,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25399 states and 33784 transitions. [2021-11-09 09:43:07,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:43:07,999 INFO L681 BuchiCegarLoop]: Abstraction has 25399 states and 33784 transitions. [2021-11-09 09:43:08,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25399 states and 33784 transitions. [2021-11-09 09:43:08,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25399 to 16951. [2021-11-09 09:43:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16951 states, 16951 states have (on average 1.3323107781251844) internal successors, (22584), 16950 states have internal predecessors, (22584), 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) [2021-11-09 09:43:08,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16951 states to 16951 states and 22584 transitions. [2021-11-09 09:43:08,661 INFO L704 BuchiCegarLoop]: Abstraction has 16951 states and 22584 transitions. [2021-11-09 09:43:08,662 INFO L587 BuchiCegarLoop]: Abstraction has 16951 states and 22584 transitions. [2021-11-09 09:43:08,662 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-11-09 09:43:08,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16951 states and 22584 transitions. [2021-11-09 09:43:08,744 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16896 [2021-11-09 09:43:08,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:43:08,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:43:08,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:43:08,754 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-11-09 09:43:08,754 INFO L791 eck$LassoCheckResult]: Stem: 83517#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 83501#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~ret33, main_#t~ret34, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 83431#L198 assume 0 == ~r1~0 % 256; 83432#L199 assume ~id1~0 >= 0; 83497#L200 assume 0 == ~st1~0; 83498#L201 assume ~send1~0 == ~id1~0; 83466#L202 assume 0 == ~mode1~0 % 256; 83467#L203 assume ~id2~0 >= 0; 83487#L204 assume 0 == ~st2~0; 83440#L205 assume ~send2~0 == ~id2~0; 83441#L206 assume 0 == ~mode2~0 % 256; 83433#L207 assume ~id3~0 >= 0; 83434#L208 assume 0 == ~st3~0; 83500#L209 assume ~send3~0 == ~id3~0; 83445#L210 assume 0 == ~mode3~0 % 256; 83446#L211 assume ~id4~0 >= 0; 83435#L212 assume 0 == ~st4~0; 83436#L213 assume ~send4~0 == ~id4~0; 83528#L214 assume 0 == ~mode4~0 % 256; 83529#L215 assume ~id5~0 >= 0; 83499#L216 assume 0 == ~st5~0; 83475#L217 assume ~send5~0 == ~id5~0; 83476#L218 assume 0 == ~mode5~0 % 256; 83502#L219 assume ~id1~0 != ~id2~0; 83535#L220 assume ~id1~0 != ~id3~0; 83465#L221 assume ~id1~0 != ~id4~0; 83463#L222 assume ~id1~0 != ~id5~0; 83464#L223 assume ~id2~0 != ~id3~0; 83455#L224 assume ~id2~0 != ~id4~0; 83456#L225 assume ~id2~0 != ~id5~0; 83451#L226 assume ~id3~0 != ~id4~0; 83452#L227 assume ~id3~0 != ~id5~0; 83468#L228 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 83469#L198-1 init_#res := init_~tmp~0; 83427#L323 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 83428#L24 assume !(0 == assume_abort_if_not_~cond); 83459#L23 ~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 := 0; 83460#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 83555#L73 assume !(0 != ~mode1~0 % 256); 83554#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 83553#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 83552#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 83551#L99 assume !(0 != ~mode2~0 % 256); 83550#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 83549#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 83548#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 83547#L124 assume !(0 != ~mode3~0 % 256); 83546#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 83545#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 83544#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 83543#L149 assume !(0 != ~mode4~0 % 256); 83542#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 83541#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 83540#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 83537#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 83538#L177 [2021-11-09 09:43:08,755 INFO L793 eck$LassoCheckResult]: Loop: 83538#L177 assume !(node5_~m5~0 != ~nomsg~0); 88283#L177-1 ~mode5~0 := 0; 88276#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 88230#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 88228#L332 assume !(~r1~0 % 256 >= 5); 88226#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 88224#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 88222#L331-1 check_#res := check_~tmp~1; 88220#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 88218#L424 assume !(0 == assert_~arg % 256); 88215#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 88214#L73 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 88211#L77 assume !(node1_~m1~0 != ~nomsg~0); 88207#L77-1 ~mode1~0 := 0; 88206#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 88204#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 88201#L102 assume !(node2_~m2~0 != ~nomsg~0); 88202#L102-1 ~mode2~0 := 0; 89468#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 89465#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 89461#L127 assume !(node3_~m3~0 != ~nomsg~0); 89453#L127-1 ~mode3~0 := 0; 89451#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 89448#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 89445#L152 assume !(node4_~m4~0 != ~nomsg~0); 89446#L152-1 ~mode4~0 := 0; 92010#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 92008#L174 assume !(0 != ~mode5~0 % 256); 92005#L187 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 92002#L187-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 92000#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 91999#L331 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 91994#L332 assume !(~r1~0 % 256 >= 5); 91989#L335 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 91983#L336 assume ~r1~0 % 256 < 5;check_~tmp~1 := 1; 91978#L331-1 check_#res := check_~tmp~1; 91972#L351 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 91968#L424 assume !(0 == assert_~arg % 256); 91964#L419 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 91960#L73 assume !(0 != ~mode1~0 % 256); 91718#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 91888#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 91950#L73-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 91948#L99 assume !(0 != ~mode2~0 % 256); 91465#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 91450#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 91444#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 91441#L124 assume !(0 != ~mode3~0 % 256); 88365#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 88363#L137-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 88361#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 88358#L149 assume !(0 != ~mode4~0 % 256); 87144#L162 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 85227#L162-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 88353#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 88351#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 83538#L177 [2021-11-09 09:43:08,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:08,757 INFO L85 PathProgramCache]: Analyzing trace with hash 140457730, now seen corresponding path program 1 times [2021-11-09 09:43:08,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:08,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212125511] [2021-11-09 09:43:08,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:08,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:43:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:43:08,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:43:08,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212125511] [2021-11-09 09:43:08,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212125511] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:43:08,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:43:08,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:43:08,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996806841] [2021-11-09 09:43:08,806 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:43:08,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:43:08,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1550086201, now seen corresponding path program 1 times [2021-11-09 09:43:08,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:43:08,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206615197] [2021-11-09 09:43:08,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:43:08,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:43:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:08,827 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:43:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:43:08,857 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:43:11,720 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:43:11,720 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:43:11,720 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:43:11,720 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:43:11,720 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 09:43:11,720 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:43:11,720 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:43:11,720 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:43:11,721 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c_Iteration18_Loop [2021-11-09 09:43:11,721 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:43:11,721 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:43:11,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:11,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:11,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:11,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:11,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:11,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:11,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:11,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:11,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:11,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:12,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:12,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:12,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:12,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:12,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:12,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:43:12,976 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-11-09 09:43:14,198 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 32768 conjuctions. This might take some time... [2021-11-09 09:50:31,344 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 32768 conjuctions.