./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be --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 a44e961521da9b8f4535724e185f402d94bec27d495ab6df10e2b3c1ffa4513a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:35:34,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:35:34,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:35:34,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:35:34,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:35:34,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:35:34,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:35:34,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:35:34,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:35:34,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:35:34,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:35:34,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:35:34,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:35:34,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:35:34,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:35:34,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:35:34,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:35:34,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:35:34,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:35:34,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:35:34,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:35:34,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:35:34,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:35:34,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:35:34,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:35:34,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:35:34,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:35:34,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:35:34,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:35:34,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:35:34,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:35:34,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:35:34,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:35:34,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:35:34,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:35:34,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:35:34,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:35:34,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:35:34,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:35:34,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:35:34,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:35:34,830 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:35:34,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:35:34,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:35:34,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:35:34,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:35:34,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:35:34,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:35:34,891 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:35:34,891 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:35:34,891 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:35:34,892 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:35:34,893 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:35:34,893 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:35:34,893 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:35:34,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:35:34,894 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:35:34,894 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:35:34,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:35:34,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:35:34,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:35:34,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:35:34,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:35:34,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:35:34,895 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:35:34,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:35:34,896 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:35:34,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:35:34,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:35:34,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:35:34,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:35:34,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:35:34,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:35:34,899 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:35:34,900 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:35:34,900 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_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a44e961521da9b8f4535724e185f402d94bec27d495ab6df10e2b3c1ffa4513a [2021-10-21 19:35:35,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:35:35,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:35:35,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:35:35,153 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:35:35,154 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:35:35,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-10-21 19:35:35,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/data/d273a595d/1599cb4bb0fd49ada5594d80f6bdad92/FLAGd5028972e [2021-10-21 19:35:35,766 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:35:35,767 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-10-21 19:35:35,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/data/d273a595d/1599cb4bb0fd49ada5594d80f6bdad92/FLAGd5028972e [2021-10-21 19:35:36,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/data/d273a595d/1599cb4bb0fd49ada5594d80f6bdad92 [2021-10-21 19:35:36,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:35:36,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:35:36,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:35:36,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:35:36,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:35:36,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614682c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36, skipping insertion in model container [2021-10-21 19:35:36,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:35:36,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:35:36,354 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_22c027a2-a787-4e69-856e-bf1fd77b2154/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2021-10-21 19:35:36,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:35:36,364 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:35:36,427 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_22c027a2-a787-4e69-856e-bf1fd77b2154/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2021-10-21 19:35:36,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:35:36,443 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:35:36,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36 WrapperNode [2021-10-21 19:35:36,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:35:36,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:35:36,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:35:36,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:35:36,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:35:36,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:35:36,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:35:36,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:35:36,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:35:36,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:35:36,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:35:36,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:35:36,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36" (1/1) ... [2021-10-21 19:35:36,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:36,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:36,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:36,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:35:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:35:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:35:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:35:36,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:35:37,372 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:35:37,372 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-21 19:35:37,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:35:37 BoogieIcfgContainer [2021-10-21 19:35:37,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:35:37,376 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:35:37,376 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:35:37,381 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:35:37,382 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:35:37,382 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:35:36" (1/3) ... [2021-10-21 19:35:37,384 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20b48d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:35:37, skipping insertion in model container [2021-10-21 19:35:37,384 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:35:37,384 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:35:36" (2/3) ... [2021-10-21 19:35:37,385 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20b48d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:35:37, skipping insertion in model container [2021-10-21 19:35:37,385 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:35:37,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:35:37" (3/3) ... [2021-10-21 19:35:37,387 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-10-21 19:35:37,450 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:35:37,450 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:35:37,451 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:35:37,451 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:35:37,451 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:35:37,451 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:35:37,451 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:35:37,451 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:35:37,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 144 states, 143 states have (on average 1.7132867132867133) internal successors, (245), 143 states have internal predecessors, (245), 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) [2021-10-21 19:35:37,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-10-21 19:35:37,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:35:37,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:35:37,518 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:35:37,518 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:35:37,518 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:35:37,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 144 states, 143 states have (on average 1.7132867132867133) internal successors, (245), 143 states have internal predecessors, (245), 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) [2021-10-21 19:35:37,528 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-10-21 19:35:37,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:35:37,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:35:37,530 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:35:37,530 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:35:37,537 INFO L791 eck$LassoCheckResult]: Stem: 123#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(48);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;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 39#L-1true havoc main_#res;havoc 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~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 27#L288true assume !(0 == ~r1~0);init_~tmp~0 := 0; 65#L288-1true init_#res := init_~tmp~0; 43#L453true main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;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; 41#L22true assume 0 == assume_abort_if_not_~cond;assume false; 97#L21true ~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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 86#L529-2true [2021-10-21 19:35:37,539 INFO L793 eck$LassoCheckResult]: Loop: 86#L529-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 120#L84true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 94#L88true assume !(node1_~m1~0 != ~nomsg~0); 116#L88-1true ~mode1~0 := 0; 26#L84-2true havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 124#L119true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 50#L122true assume !(node2_~m2~0 != ~nomsg~0); 42#L122-1true ~mode2~0 := 0; 45#L119-2true havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 10#L153true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 134#L156true assume !(node3_~m3~0 != ~nomsg~0); 100#L156-1true ~mode3~0 := 0; 128#L153-2true havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 126#L187true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 61#L190true assume !(node4_~m4~0 != ~nomsg~0); 98#L190-1true ~mode4~0 := 0; 85#L187-2true havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 89#L221true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 78#L224true assume !(node5_~m5~0 != ~nomsg~0); 125#L224-1true ~mode5~0 := 0; 59#L221-2true havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 20#L255true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 33#L258true assume !(node6_~m6~0 != ~nomsg~0); 13#L258-1true ~mode6~0 := 0; 133#L255-2true ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 5#L461true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 49#L461-1true check_#res := check_~tmp~1; 131#L473true main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 84#L562true assume !(0 == assert_~arg % 256); 142#L557true main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 86#L529-2true [2021-10-21 19:35:37,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:35:37,544 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2021-10-21 19:35:37,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:35:37,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125669263] [2021-10-21 19:35:37,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:35:37,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:35:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:35:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:35:37,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:35:37,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125669263] [2021-10-21 19:35:37,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125669263] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:35:37,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:35:37,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:35:37,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041718095] [2021-10-21 19:35:37,847 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:35:37,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:35:37,852 INFO L82 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 1 times [2021-10-21 19:35:37,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:35:37,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439494306] [2021-10-21 19:35:37,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:35:37,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:35:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:35:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:35:38,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:35:38,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439494306] [2021-10-21 19:35:38,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439494306] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:35:38,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:35:38,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:35:38,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108645430] [2021-10-21 19:35:38,129 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:35:38,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:35:38,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:35:38,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:35:38,150 INFO L87 Difference]: Start difference. First operand has 144 states, 143 states have (on average 1.7132867132867133) internal successors, (245), 143 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2021-10-21 19:35:38,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:35:38,181 INFO L93 Difference]: Finished difference Result 144 states and 242 transitions. [2021-10-21 19:35:38,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:35:38,183 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 242 transitions. [2021-10-21 19:35:38,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-21 19:35:38,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 139 states and 237 transitions. [2021-10-21 19:35:38,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-10-21 19:35:38,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-10-21 19:35:38,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 237 transitions. [2021-10-21 19:35:38,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:35:38,211 INFO L681 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-10-21 19:35:38,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 237 transitions. [2021-10-21 19:35:38,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-21 19:35:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.7050359712230216) internal successors, (237), 138 states have internal predecessors, (237), 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) [2021-10-21 19:35:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 237 transitions. [2021-10-21 19:35:38,260 INFO L704 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-10-21 19:35:38,260 INFO L587 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-10-21 19:35:38,260 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:35:38,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 237 transitions. [2021-10-21 19:35:38,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-21 19:35:38,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:35:38,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:35:38,270 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:35:38,270 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:35:38,271 INFO L791 eck$LassoCheckResult]: Stem: 435#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(48);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;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 365#L-1 havoc main_#res;havoc 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~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 349#L288 assume !(0 == ~r1~0);init_~tmp~0 := 0; 306#L288-1 init_#res := init_~tmp~0; 370#L453 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;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; 366#L22 assume !(0 == assume_abort_if_not_~cond); 367#L21 ~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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 420#L529-2 [2021-10-21 19:35:38,271 INFO L793 eck$LassoCheckResult]: Loop: 420#L529-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 421#L84 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 425#L88 assume !(node1_~m1~0 != ~nomsg~0); 362#L88-1 ~mode1~0 := 0; 347#L84-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 348#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 376#L122 assume !(node2_~m2~0 != ~nomsg~0); 340#L122-1 ~mode2~0 := 0; 330#L119-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 314#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 315#L156 assume !(node3_~m3~0 != ~nomsg~0); 312#L156-1 ~mode3~0 := 0; 429#L153-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 436#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 387#L190 assume !(node4_~m4~0 != ~nomsg~0); 388#L190-1 ~mode4~0 := 0; 418#L187-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 419#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 410#L224 assume !(node5_~m5~0 != ~nomsg~0); 319#L224-1 ~mode5~0 := 0; 382#L221-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 331#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 332#L258 assume !(node6_~m6~0 != ~nomsg~0); 322#L258-1 ~mode6~0 := 0; 323#L255-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 301#L461 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 302#L461-1 check_#res := check_~tmp~1; 375#L473 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 416#L562 assume !(0 == assert_~arg % 256); 417#L557 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 420#L529-2 [2021-10-21 19:35:38,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:35:38,272 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2021-10-21 19:35:38,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:35:38,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561395762] [2021-10-21 19:35:38,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:35:38,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:35:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:35:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:35:38,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:35:38,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561395762] [2021-10-21 19:35:38,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561395762] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:35:38,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:35:38,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:35:38,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884827546] [2021-10-21 19:35:38,405 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:35:38,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:35:38,410 INFO L82 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 2 times [2021-10-21 19:35:38,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:35:38,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640856249] [2021-10-21 19:35:38,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:35:38,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:35:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:35:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:35:38,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:35:38,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640856249] [2021-10-21 19:35:38,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640856249] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:35:38,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:35:38,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:35:38,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435698315] [2021-10-21 19:35:38,531 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:35:38,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:35:38,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:35:38,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:35:38,533 INFO L87 Difference]: Start difference. First operand 139 states and 237 transitions. cyclomatic complexity: 99 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) [2021-10-21 19:35:38,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:35:38,648 INFO L93 Difference]: Finished difference Result 142 states and 239 transitions. [2021-10-21 19:35:38,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:35:38,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 239 transitions. [2021-10-21 19:35:38,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-21 19:35:38,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 139 states and 196 transitions. [2021-10-21 19:35:38,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-10-21 19:35:38,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-10-21 19:35:38,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 196 transitions. [2021-10-21 19:35:38,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:35:38,664 INFO L681 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-10-21 19:35:38,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 196 transitions. [2021-10-21 19:35:38,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-21 19:35:38,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.410071942446043) internal successors, (196), 138 states have internal predecessors, (196), 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) [2021-10-21 19:35:38,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 196 transitions. [2021-10-21 19:35:38,676 INFO L704 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-10-21 19:35:38,676 INFO L587 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-10-21 19:35:38,676 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:35:38,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 196 transitions. [2021-10-21 19:35:38,677 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-21 19:35:38,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:35:38,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:35:38,679 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] [2021-10-21 19:35:38,679 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:35:38,680 INFO L791 eck$LassoCheckResult]: Stem: 731#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(48);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;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 660#L-1 havoc main_#res;havoc 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~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 645#L288 assume 0 == ~r1~0; 646#L289 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 655#L290 assume ~id1~0 >= 0; 704#L291 assume 0 == ~st1~0; 705#L292 assume ~send1~0 == ~id1~0; 720#L293 assume 0 == ~mode1~0 % 256; 730#L294 assume ~id2~0 >= 0; 604#L295 assume 0 == ~st2~0; 605#L296 assume ~send2~0 == ~id2~0; 654#L297 assume 0 == ~mode2~0 % 256; 651#L298 assume ~id3~0 >= 0; 652#L299 assume 0 == ~st3~0; 658#L300 assume ~send3~0 == ~id3~0; 693#L301 assume 0 == ~mode3~0 % 256; 716#L302 assume ~id4~0 >= 0; 717#L303 assume 0 == ~st4~0; 724#L304 assume ~send4~0 == ~id4~0; 686#L305 assume 0 == ~mode4~0 % 256; 687#L306 assume ~id5~0 >= 0; 703#L307 assume 0 == ~st5~0; 615#L308 assume ~send5~0 == ~id5~0; 616#L309 assume 0 == ~mode5~0 % 256; 700#L310 assume ~id6~0 >= 0; 672#L311 assume 0 == ~st6~0; 673#L312 assume ~send6~0 == ~id6~0; 637#L313 assume 0 == ~mode6~0 % 256; 638#L314 assume ~id1~0 != ~id2~0; 666#L315 assume ~id1~0 != ~id3~0; 667#L316 assume ~id1~0 != ~id4~0; 602#L317 assume ~id1~0 != ~id5~0; 603#L318 assume ~id1~0 != ~id6~0; 733#L319 assume ~id2~0 != ~id3~0; 713#L320 assume ~id2~0 != ~id4~0; 688#L321 assume ~id2~0 != ~id5~0; 689#L322 assume ~id2~0 != ~id6~0; 600#L323 assume ~id3~0 != ~id4~0; 601#L324 assume ~id3~0 != ~id5~0; 623#L325 assume ~id3~0 != ~id6~0; 647#L326 assume ~id4~0 != ~id5~0; 632#L327 assume ~id4~0 != ~id6~0; 633#L328 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 692#L288-1 init_#res := init_~tmp~0; 665#L453 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;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; 661#L22 assume !(0 == assume_abort_if_not_~cond); 662#L21 ~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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 718#L529-2 [2021-10-21 19:35:38,680 INFO L793 eck$LassoCheckResult]: Loop: 718#L529-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 719#L84 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 721#L88 assume !(node1_~m1~0 != ~nomsg~0); 657#L88-1 ~mode1~0 := 0; 642#L84-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 643#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 671#L122 assume !(node2_~m2~0 != ~nomsg~0); 635#L122-1 ~mode2~0 := 0; 625#L119-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 609#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 610#L156 assume !(node3_~m3~0 != ~nomsg~0); 607#L156-1 ~mode3~0 := 0; 725#L153-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 732#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 682#L190 assume !(node4_~m4~0 != ~nomsg~0); 683#L190-1 ~mode4~0 := 0; 714#L187-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 715#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 706#L224 assume !(node5_~m5~0 != ~nomsg~0); 614#L224-1 ~mode5~0 := 0; 680#L221-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 626#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 627#L258 assume !(node6_~m6~0 != ~nomsg~0); 617#L258-1 ~mode6~0 := 0; 618#L255-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 597#L461 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 598#L461-1 check_#res := check_~tmp~1; 670#L473 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 711#L562 assume !(0 == assert_~arg % 256); 712#L557 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 718#L529-2 [2021-10-21 19:35:38,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:35:38,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2021-10-21 19:35:38,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:35:38,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284274484] [2021-10-21 19:35:38,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:35:38,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:35:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:35:38,739 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:35:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:35:38,818 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:35:38,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:35:38,819 INFO L82 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 3 times [2021-10-21 19:35:38,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:35:38,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267886608] [2021-10-21 19:35:38,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:35:38,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:35:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:35:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:35:38,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:35:38,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267886608] [2021-10-21 19:35:38,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267886608] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:35:38,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:35:38,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:35:38,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91060919] [2021-10-21 19:35:38,913 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:35:38,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:35:38,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:35:38,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:35:38,914 INFO L87 Difference]: Start difference. First operand 139 states and 196 transitions. cyclomatic complexity: 58 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2021-10-21 19:35:38,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:35:38,966 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2021-10-21 19:35:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:35:38,966 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2021-10-21 19:35:38,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-21 19:35:38,969 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 139 states and 194 transitions. [2021-10-21 19:35:38,969 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-10-21 19:35:38,970 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-10-21 19:35:38,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 194 transitions. [2021-10-21 19:35:38,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:35:38,972 INFO L681 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-10-21 19:35:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 194 transitions. [2021-10-21 19:35:38,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-21 19:35:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.39568345323741) internal successors, (194), 138 states have internal predecessors, (194), 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) [2021-10-21 19:35:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 194 transitions. [2021-10-21 19:35:38,993 INFO L704 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-10-21 19:35:38,993 INFO L587 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-10-21 19:35:38,993 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 19:35:38,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 194 transitions. [2021-10-21 19:35:38,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-21 19:35:38,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:35:38,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:35:38,999 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] [2021-10-21 19:35:39,000 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:35:39,001 INFO L791 eck$LassoCheckResult]: Stem: 1024#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(48);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;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 952#L-1 havoc main_#res;havoc 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~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 937#L288 assume 0 == ~r1~0; 938#L289 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 947#L290 assume ~id1~0 >= 0; 997#L291 assume 0 == ~st1~0; 998#L292 assume ~send1~0 == ~id1~0; 1013#L293 assume 0 == ~mode1~0 % 256; 1023#L294 assume ~id2~0 >= 0; 896#L295 assume 0 == ~st2~0; 897#L296 assume ~send2~0 == ~id2~0; 946#L297 assume 0 == ~mode2~0 % 256; 943#L298 assume ~id3~0 >= 0; 944#L299 assume 0 == ~st3~0; 950#L300 assume ~send3~0 == ~id3~0; 986#L301 assume 0 == ~mode3~0 % 256; 1011#L302 assume ~id4~0 >= 0; 1012#L303 assume 0 == ~st4~0; 1017#L304 assume ~send4~0 == ~id4~0; 979#L305 assume 0 == ~mode4~0 % 256; 980#L306 assume ~id5~0 >= 0; 996#L307 assume 0 == ~st5~0; 907#L308 assume ~send5~0 == ~id5~0; 908#L309 assume 0 == ~mode5~0 % 256; 993#L310 assume ~id6~0 >= 0; 965#L311 assume 0 == ~st6~0; 966#L312 assume ~send6~0 == ~id6~0; 929#L313 assume 0 == ~mode6~0 % 256; 930#L314 assume ~id1~0 != ~id2~0; 958#L315 assume ~id1~0 != ~id3~0; 959#L316 assume ~id1~0 != ~id4~0; 894#L317 assume ~id1~0 != ~id5~0; 895#L318 assume ~id1~0 != ~id6~0; 1026#L319 assume ~id2~0 != ~id3~0; 1004#L320 assume ~id2~0 != ~id4~0; 981#L321 assume ~id2~0 != ~id5~0; 982#L322 assume ~id2~0 != ~id6~0; 892#L323 assume ~id3~0 != ~id4~0; 893#L324 assume ~id3~0 != ~id5~0; 912#L325 assume ~id3~0 != ~id6~0; 939#L326 assume ~id4~0 != ~id5~0; 924#L327 assume ~id4~0 != ~id6~0; 925#L328 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 983#L288-1 init_#res := init_~tmp~0; 955#L453 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;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; 953#L22 assume !(0 == assume_abort_if_not_~cond); 954#L21 ~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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 1009#L529-2 [2021-10-21 19:35:39,001 INFO L793 eck$LassoCheckResult]: Loop: 1009#L529-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1010#L84 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 1014#L88 assume !(node1_~m1~0 != ~nomsg~0); 949#L88-1 ~mode1~0 := 0; 934#L84-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 935#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 964#L122 assume !(node2_~m2~0 != ~nomsg~0); 927#L122-1 ~mode2~0 := 0; 917#L119-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 901#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 902#L156 assume !(node3_~m3~0 != ~nomsg~0); 899#L156-1 ~mode3~0 := 0; 1018#L153-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1025#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 975#L190 assume !(node4_~m4~0 != ~nomsg~0); 976#L190-1 ~mode4~0 := 0; 1007#L187-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 1008#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 999#L224 assume !(node5_~m5~0 != ~nomsg~0); 906#L224-1 ~mode5~0 := 0; 973#L221-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 918#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 919#L258 assume !(node6_~m6~0 != ~nomsg~0); 909#L258-1 ~mode6~0 := 0; 910#L255-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 890#L461 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 891#L462 assume ~r1~0 < 6;check_~tmp~1 := 1; 962#L461-1 check_#res := check_~tmp~1; 963#L473 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1005#L562 assume !(0 == assert_~arg % 256); 1006#L557 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 1009#L529-2 [2021-10-21 19:35:39,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:35:39,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2021-10-21 19:35:39,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:35:39,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987023333] [2021-10-21 19:35:39,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:35:39,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:35:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:35:39,064 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:35:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:35:39,130 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:35:39,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:35:39,131 INFO L82 PathProgramCache]: Analyzing trace with hash 911844111, now seen corresponding path program 1 times [2021-10-21 19:35:39,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:35:39,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831222867] [2021-10-21 19:35:39,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:35:39,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:35:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:35:39,148 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:35:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:35:39,163 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:35:39,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:35:39,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1786874990, now seen corresponding path program 1 times [2021-10-21 19:35:39,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:35:39,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367484923] [2021-10-21 19:35:39,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:35:39,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:35:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:35:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:35:39,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:35:39,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367484923] [2021-10-21 19:35:39,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367484923] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:35:39,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:35:39,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:35:39,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81732397] [2021-10-21 19:35:40,775 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:35:40,775 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:35:40,777 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:35:40,777 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:35:40,777 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:35:40,777 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:40,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:35:40,778 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:35:40,778 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-10-21 19:35:40,778 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:35:40,778 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:35:40,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:40,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:41,691 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:35:41,692 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:35:41,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:41,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:41,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:41,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:35:41,704 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:35:41,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:35:41,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:41,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:41,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:41,755 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:41,758 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:35:41,758 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:35:41,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:35:41,951 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:35:41,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-21 19:35:41,954 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:35:41,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:35:41,954 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:35:41,954 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:35:41,954 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:35:41,954 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:41,954 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:35:41,955 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:35:41,955 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-10-21 19:35:41,955 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:35:41,955 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:35:41,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:41,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:41,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:41,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:41,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:41,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:41,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:41,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:41,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:41,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:41,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:35:42,785 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:35:42,789 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:35:42,793 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:42,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:42,794 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:42,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:42,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:42,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:42,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:42,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:42,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:42,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:42,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:42,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:35:42,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:42,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-21 19:35:42,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:42,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:42,855 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:42,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:35:42,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:42,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:42,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:42,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:42,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:42,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:42,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:42,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:42,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:42,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:42,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:42,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:42,884 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:42,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:35:42,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:42,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:42,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:42,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:42,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:42,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:42,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:42,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:42,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:42,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:42,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:42,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:42,920 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:42,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:35:42,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:42,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:42,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:42,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:42,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:42,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:42,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:42,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:42,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:42,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:42,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:42,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:42,955 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:42,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:35:42,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:42,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:42,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:42,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:42,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:42,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:42,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:42,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:42,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:43,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:43,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,038 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:43,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:43,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:43,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:43,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:43,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:43,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:43,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:43,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:35:43,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:43,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-21 19:35:43,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,094 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:35:43,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:43,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:43,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:43,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:43,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:43,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:43,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:43,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:43,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:43,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:43,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,142 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:35:43,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:43,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:43,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:43,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:43,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:43,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:43,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:43,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:43,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:43,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:43,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,177 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:35:43,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:43,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:43,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:43,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:43,188 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:35:43,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:43,190 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:35:43,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:43,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:43,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:43,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,236 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:35:43,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:43,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:43,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:43,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:43,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:43,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:43,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:43,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:43,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:43,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:43,266 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,267 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:35:43,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:43,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:43,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:43,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:43,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:43,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:43,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:43,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:43,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:43,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:43,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,327 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:35:43,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:43,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:43,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:43,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:43,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:43,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:43,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:43,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:43,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:43,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:43,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,363 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:35:43,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:43,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:43,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:43,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:43,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:43,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:43,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:43,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:43,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:43,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:43,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,408 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:35:43,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:43,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:43,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:43,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:43,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:43,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:43,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:43,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:43,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:43,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:43,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,467 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:35:43,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:43,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:43,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:43,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:43,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:43,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:43,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:43,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:43,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:35:43,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:43,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,524 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:35:43,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:35:43,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:35:43,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:35:43,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:35:43,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:35:43,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:35:43,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:35:43,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:35:43,541 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:35:43,561 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:35:43,561 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:35:43,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:35:43,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:43,566 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:35:43,574 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:35:43,574 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:35:43,574 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:35:43,575 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] [2021-10-21 19:35:43,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:35:43,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:43,611 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:35:43,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:35:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:35:43,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:35:43,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:35:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:35:43,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:35:43,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:35:44,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:44,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:35:44,232 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:35:44,233 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 139 states and 194 transitions. cyclomatic complexity: 56 Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-10-21 19:35:44,313 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 139 states and 194 transitions. cyclomatic complexity: 56. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 231 states and 342 transitions. Complement of second has 4 states. [2021-10-21 19:35:44,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:35:44,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-10-21 19:35:44,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2021-10-21 19:35:44,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 47 letters. Loop has 31 letters. [2021-10-21 19:35:44,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:35:44,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 78 letters. Loop has 31 letters. [2021-10-21 19:35:44,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:35:44,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 47 letters. Loop has 62 letters. [2021-10-21 19:35:44,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:35:44,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 342 transitions. [2021-10-21 19:35:44,330 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:35:44,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 0 states and 0 transitions. [2021-10-21 19:35:44,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:35:44,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:35:44,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:35:44,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:35:44,331 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:35:44,331 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:35:44,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:35:44,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:35:44,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:35:44,332 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-10-21 19:35:44,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:35:44,332 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 19:35:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:35:44,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 19:35:44,333 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:35:44,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:35:44,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:35:44,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:35:44,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:35:44,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:35:44,334 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:35:44,334 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:35:44,334 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:35:44,334 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 19:35:44,334 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:35:44,334 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:35:44,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:35:44,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:35:44 BoogieIcfgContainer [2021-10-21 19:35:44,341 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:35:44,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:35:44,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:35:44,342 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:35:44,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:35:37" (3/4) ... [2021-10-21 19:35:44,345 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:35:44,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:35:44,347 INFO L168 Benchmark]: Toolchain (without parser) took 8271.25 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 71.4 MB in the beginning and 98.2 MB in the end (delta: -26.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:35:44,348 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:35:44,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.05 ms. Allocated memory is still 100.7 MB. Free memory was 71.1 MB in the beginning and 55.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:35:44,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.03 ms. Allocated memory is still 100.7 MB. Free memory was 55.3 MB in the beginning and 52.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:35:44,356 INFO L168 Benchmark]: Boogie Preprocessor took 47.30 ms. Allocated memory is still 100.7 MB. Free memory was 52.4 MB in the beginning and 50.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:35:44,357 INFO L168 Benchmark]: RCFGBuilder took 822.78 ms. Allocated memory is still 100.7 MB. Free memory was 50.0 MB in the beginning and 66.1 MB in the end (delta: -16.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:35:44,357 INFO L168 Benchmark]: BuchiAutomizer took 6964.82 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 65.7 MB in the beginning and 98.2 MB in the end (delta: -32.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:35:44,357 INFO L168 Benchmark]: Witness Printer took 4.20 ms. Allocated memory is still 148.9 MB. Free memory is still 98.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:35:44,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 362.05 ms. Allocated memory is still 100.7 MB. Free memory was 71.1 MB in the beginning and 55.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.03 ms. Allocated memory is still 100.7 MB. Free memory was 55.3 MB in the beginning and 52.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.30 ms. Allocated memory is still 100.7 MB. Free memory was 52.4 MB in the beginning and 50.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 822.78 ms. Allocated memory is still 100.7 MB. Free memory was 50.0 MB in the beginning and 66.1 MB in the end (delta: -16.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6964.82 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 65.7 MB in the beginning and 98.2 MB in the end (delta: -32.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.20 ms. Allocated memory is still 148.9 MB. Free memory is still 98.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 23 + -2 * i2 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.9s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 5.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 64.9ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 139 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 863 SDtfs, 343 SDslu, 1382 SDs, 0 SdLazy, 26 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 61.3ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital188 mio100 ax100 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:35:44,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c027a2-a787-4e69-856e-bf1fd77b2154/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...