./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3 --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 5beb1b2c4fc5295f24e5534377d8a7a7e05bf11f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:28:13,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:28:13,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:28:13,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:28:13,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:28:13,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:28:13,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:28:13,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:28:13,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:28:13,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:28:13,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:28:13,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:28:13,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:28:13,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:28:13,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:28:13,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:28:13,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:28:13,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:28:13,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:28:13,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:28:13,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:28:13,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:28:13,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:28:13,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:28:13,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:28:13,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:28:13,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:28:13,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:28:13,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:28:13,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:28:13,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:28:13,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:28:13,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:28:13,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:28:13,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:28:13,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:28:13,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:28:13,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:28:13,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:28:13,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:28:13,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:28:13,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 20:28:13,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:28:13,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:28:13,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:28:13,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:28:13,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:28:13,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:28:13,808 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:28:13,808 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 20:28:13,808 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 20:28:13,817 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 20:28:13,819 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 20:28:13,819 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 20:28:13,819 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 20:28:13,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:28:13,820 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:28:13,820 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:28:13,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:28:13,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:28:13,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:28:13,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 20:28:13,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 20:28:13,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 20:28:13,822 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:28:13,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:28:13,823 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 20:28:13,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:28:13,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 20:28:13,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:28:13,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:28:13,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:28:13,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:28:13,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:28:13,827 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 20:28:13,827 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_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5beb1b2c4fc5295f24e5534377d8a7a7e05bf11f [2021-10-15 20:28:14,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:28:14,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:28:14,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:28:14,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:28:14,251 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:28:14,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2021-10-15 20:28:14,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/data/06cd4c239/232aaba1db7d4053af99991ab82ad471/FLAGa9e76f446 [2021-10-15 20:28:15,022 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:28:15,023 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2021-10-15 20:28:15,039 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/data/06cd4c239/232aaba1db7d4053af99991ab82ad471/FLAGa9e76f446 [2021-10-15 20:28:15,279 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/data/06cd4c239/232aaba1db7d4053af99991ab82ad471 [2021-10-15 20:28:15,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:28:15,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:28:15,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:28:15,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:28:15,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:28:15,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:15,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd0d437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15, skipping insertion in model container [2021-10-15 20:28:15,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:15,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:28:15,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:28:15,795 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_fd3cd73d-f76f-4786-ae39-b058585bbaf3/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c[24198,24211] [2021-10-15 20:28:15,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:28:15,810 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:28:15,953 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_fd3cd73d-f76f-4786-ae39-b058585bbaf3/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c[24198,24211] [2021-10-15 20:28:15,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:28:15,991 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:28:15,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15 WrapperNode [2021-10-15 20:28:15,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:28:15,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:28:15,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:28:15,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:28:16,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:16,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:16,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:28:16,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:28:16,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:28:16,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:28:16,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:16,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:16,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:16,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:16,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:16,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:16,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:16,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:28:16,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:28:16,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:28:16,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:28:16,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15" (1/1) ... [2021-10-15 20:28:16,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:16,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:16,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:16,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 20:28:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:28:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:28:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:28:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:28:17,859 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:28:17,859 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-10-15 20:28:17,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:28:17 BoogieIcfgContainer [2021-10-15 20:28:17,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:28:17,864 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 20:28:17,864 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 20:28:17,882 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 20:28:17,883 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:28:17,883 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 08:28:15" (1/3) ... [2021-10-15 20:28:17,885 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27c5822b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:28:17, skipping insertion in model container [2021-10-15 20:28:17,885 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:28:17,885 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:28:15" (2/3) ... [2021-10-15 20:28:17,886 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27c5822b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:28:17, skipping insertion in model container [2021-10-15 20:28:17,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:28:17,886 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:28:17" (3/3) ... [2021-10-15 20:28:17,888 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2021-10-15 20:28:17,974 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 20:28:17,974 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 20:28:17,974 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 20:28:17,974 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 20:28:17,975 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 20:28:17,975 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 20:28:17,975 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 20:28:17,975 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 20:28:18,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 291 states, 290 states have (on average 1.796551724137931) internal successors, (521), 290 states have internal predecessors, (521), 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) [2021-10-15 20:28:18,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 107 [2021-10-15 20:28:18,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:28:18,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:28:18,108 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:28:18,109 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] [2021-10-15 20:28:18,109 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 20:28:18,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 291 states, 290 states have (on average 1.796551724137931) internal successors, (521), 290 states have internal predecessors, (521), 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) [2021-10-15 20:28:18,135 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 107 [2021-10-15 20:28:18,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:28:18,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:28:18,152 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:28:18,152 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] [2021-10-15 20:28:18,173 INFO L791 eck$LassoCheckResult]: Stem: 281#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(39);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 191#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~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~ret59, main_#t~ret60, main_#t~post61, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~id2~0 := main_#t~nondet38;havoc main_#t~nondet38;~r2~0 := main_#t~nondet39;havoc main_#t~nondet39;~st2~0 := main_#t~nondet40;havoc main_#t~nondet40;~nl2~0 := main_#t~nondet41;havoc main_#t~nondet41;~m2~0 := main_#t~nondet42;havoc main_#t~nondet42;~max2~0 := main_#t~nondet43;havoc main_#t~nondet43;~mode2~0 := main_#t~nondet44;havoc main_#t~nondet44;~id3~0 := main_#t~nondet45;havoc main_#t~nondet45;~r3~0 := main_#t~nondet46;havoc main_#t~nondet46;~st3~0 := main_#t~nondet47;havoc main_#t~nondet47;~nl3~0 := main_#t~nondet48;havoc main_#t~nondet48;~m3~0 := main_#t~nondet49;havoc main_#t~nondet49;~max3~0 := main_#t~nondet50;havoc main_#t~nondet50;~mode3~0 := main_#t~nondet51;havoc main_#t~nondet51;~id4~0 := main_#t~nondet52;havoc main_#t~nondet52;~r4~0 := main_#t~nondet53;havoc main_#t~nondet53;~st4~0 := main_#t~nondet54;havoc main_#t~nondet54;~nl4~0 := main_#t~nondet55;havoc main_#t~nondet55;~m4~0 := main_#t~nondet56;havoc main_#t~nondet56;~max4~0 := main_#t~nondet57;havoc main_#t~nondet57;~mode4~0 := main_#t~nondet58;havoc main_#t~nondet58;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 169#L393true assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 124#L404true init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 284#L414true assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 265#L425true init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 250#L435true assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 264#L446true init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 114#L456true assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 145#L467true init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 183#L477true assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 64#L488true init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 79#L498true assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 46#L509true init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 235#L519true assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 43#L530true init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 177#L540true assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 184#L551true init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 66#L561true assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 110#L572true init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 288#L582true assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 71#L593true init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 280#L603true assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 190#L614true init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 193#L624true assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 24#L635true init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 152#L645true assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 96#L656true init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 163#L666true assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 7#L677true init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 53#L687true assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 251#L698true init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 10#L708true assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 222#L719true init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 189#L729true assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 197#L740true init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 262#L750true assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 93#L761true init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 254#L771true assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 135#L782true init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 162#L792true assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 21#L803true init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 44#L813true assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 256#L824true init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 123#L834true assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 127#L845true init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 12#L855true assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 161#L866true init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 92#L876true assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 138#L887true init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 159#L897true assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 115#L897-1true init_#res := init_~tmp___23~0; 130#L1018true main_#t~ret59 := init_#res;main_~i2~0 := main_#t~ret59;havoc main_#t~ret59;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; 101#L21true assume !(0 == assume_abort_if_not_~cond); 166#L20true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 272#L1155-2true [2021-10-15 20:28:18,178 INFO L793 eck$LassoCheckResult]: Loop: 272#L1155-2true assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9; 117#L109true assume !(0 != ~mode1~0 % 256); 45#L141true assume !(~r1~0 < 3); 274#L141-1true ~mode1~0 := 1; 141#L109-2true havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12; 186#L162true assume !(0 != ~mode2~0 % 256); 252#L194true assume !(~r2~0 < 3); 5#L194-1true ~mode2~0 := 1; 56#L162-2true havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15; 150#L215true assume !(0 != ~mode3~0 % 256); 112#L247true assume !(~r3~0 < 3); 275#L247-1true ~mode3~0 := 1; 282#L215-2true havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18; 174#L268true assume !(0 != ~mode4~0 % 256); 220#L300true assume !(~r4~0 < 3); 47#L300-1true ~mode4~0 := 1; 259#L268-2true ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 229#L1026true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 19#L1026-1true check_#res := check_~tmp~1; 50#L1078true main_#t~ret60 := check_#res;main_~c1~0 := main_#t~ret60;havoc main_#t~ret60;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 178#L1198true assume !(0 == assert_~arg % 256); 226#L1193true main_#t~post61 := main_~i2~0;main_~i2~0 := 1 + main_#t~post61;havoc main_#t~post61; 272#L1155-2true [2021-10-15 20:28:18,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:28:18,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 1 times [2021-10-15 20:28:18,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:28:18,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049971303] [2021-10-15 20:28:18,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:28:18,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:28:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:28:18,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:28:18,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:28:18,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049971303] [2021-10-15 20:28:18,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049971303] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:28:18,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:28:18,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 20:28:18,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005418771] [2021-10-15 20:28:18,696 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:28:18,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:28:18,703 INFO L82 PathProgramCache]: Analyzing trace with hash -11982095, now seen corresponding path program 1 times [2021-10-15 20:28:18,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:28:18,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532772105] [2021-10-15 20:28:18,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:28:18,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:28:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:28:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:28:18,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:28:18,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532772105] [2021-10-15 20:28:18,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532772105] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:28:18,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:28:18,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 20:28:18,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21795113] [2021-10-15 20:28:18,950 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-15 20:28:18,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:28:18,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 20:28:18,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:28:18,975 INFO L87 Difference]: Start difference. First operand has 291 states, 290 states have (on average 1.796551724137931) internal successors, (521), 290 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-10-15 20:28:19,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:28:19,126 INFO L93 Difference]: Finished difference Result 295 states and 521 transitions. [2021-10-15 20:28:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:28:19,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 521 transitions. [2021-10-15 20:28:19,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-10-15 20:28:19,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 286 states and 504 transitions. [2021-10-15 20:28:19,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 286 [2021-10-15 20:28:19,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 286 [2021-10-15 20:28:19,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 286 states and 504 transitions. [2021-10-15 20:28:19,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:28:19,151 INFO L681 BuchiCegarLoop]: Abstraction has 286 states and 504 transitions. [2021-10-15 20:28:19,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states and 504 transitions. [2021-10-15 20:28:19,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2021-10-15 20:28:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 286 states have (on average 1.7622377622377623) internal successors, (504), 285 states have internal predecessors, (504), 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) [2021-10-15 20:28:19,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 504 transitions. [2021-10-15 20:28:19,212 INFO L704 BuchiCegarLoop]: Abstraction has 286 states and 504 transitions. [2021-10-15 20:28:19,213 INFO L587 BuchiCegarLoop]: Abstraction has 286 states and 504 transitions. [2021-10-15 20:28:19,213 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 20:28:19,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 286 states and 504 transitions. [2021-10-15 20:28:19,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-10-15 20:28:19,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:28:19,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:28:19,221 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:28:19,221 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] [2021-10-15 20:28:19,222 INFO L791 eck$LassoCheckResult]: Stem: 889#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(39);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 859#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~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~ret59, main_#t~ret60, main_#t~post61, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~id2~0 := main_#t~nondet38;havoc main_#t~nondet38;~r2~0 := main_#t~nondet39;havoc main_#t~nondet39;~st2~0 := main_#t~nondet40;havoc main_#t~nondet40;~nl2~0 := main_#t~nondet41;havoc main_#t~nondet41;~m2~0 := main_#t~nondet42;havoc main_#t~nondet42;~max2~0 := main_#t~nondet43;havoc main_#t~nondet43;~mode2~0 := main_#t~nondet44;havoc main_#t~nondet44;~id3~0 := main_#t~nondet45;havoc main_#t~nondet45;~r3~0 := main_#t~nondet46;havoc main_#t~nondet46;~st3~0 := main_#t~nondet47;havoc main_#t~nondet47;~nl3~0 := main_#t~nondet48;havoc main_#t~nondet48;~m3~0 := main_#t~nondet49;havoc main_#t~nondet49;~max3~0 := main_#t~nondet50;havoc main_#t~nondet50;~mode3~0 := main_#t~nondet51;havoc main_#t~nondet51;~id4~0 := main_#t~nondet52;havoc main_#t~nondet52;~r4~0 := main_#t~nondet53;havoc main_#t~nondet53;~st4~0 := main_#t~nondet54;havoc main_#t~nondet54;~nl4~0 := main_#t~nondet55;havoc main_#t~nondet55;~m4~0 := main_#t~nondet56;havoc main_#t~nondet56;~max4~0 := main_#t~nondet57;havoc main_#t~nondet57;~mode4~0 := main_#t~nondet58;havoc main_#t~nondet58;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 846#L393 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 753#L404 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 820#L414 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 635#L425 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 886#L435 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 691#L446 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 806#L456 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 723#L467 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 835#L477 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 732#L488 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 733#L498 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 670#L509 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 705#L519 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 696#L530 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 697#L540 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 805#L551 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 736#L561 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 714#L572 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 801#L582 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 642#L593 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 743#L603 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 676#L614 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 858#L624 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 655#L635 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 656#L645 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 679#L656 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 785#L666 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 614#L677 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 615#L687 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 685#L698 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 621#L708 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 622#L719 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 857#L729 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 606#L740 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 862#L750 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 780#L761 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 781#L771 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 745#L782 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 827#L792 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 620#L803 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 652#L813 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 698#L824 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 819#L834 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 673#L845 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 626#L855 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 627#L866 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 779#L876 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 648#L887 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 829#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 639#L897-1 init_#res := init_~tmp___23~0; 807#L1018 main_#t~ret59 := init_#res;main_~i2~0 := main_#t~ret59;havoc main_#t~ret59;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; 790#L21 assume !(0 == assume_abort_if_not_~cond); 791#L20 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 844#L1155-2 [2021-10-15 20:28:19,223 INFO L793 eck$LassoCheckResult]: Loop: 844#L1155-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9; 815#L109 assume !(0 != ~mode1~0 % 256); 700#L141 assume !(~r1~0 < 3); 702#L141-1 ~mode1~0 := 1; 831#L109-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12; 832#L162 assume !(0 != ~mode2~0 % 256); 855#L194 assume !(~r2~0 < 3); 609#L194-1 ~mode2~0 := 1; 610#L162-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15; 722#L215 assume !(0 != ~mode3~0 % 256); 802#L247 assume !(~r3~0 < 3); 664#L247-1 ~mode3~0 := 1; 853#L215-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18; 848#L268 assume !(0 != ~mode4~0 % 256); 849#L300 assume !(~r4~0 < 3); 703#L300-1 ~mode4~0 := 1; 704#L268-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 875#L1026 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 653#L1027 assume ~st1~0 + ~nl1~0 <= 1; 654#L1028 assume ~st2~0 + ~nl2~0 <= 1; 834#L1029 assume ~st3~0 + ~nl3~0 <= 1; 877#L1030 assume ~st4~0 + ~nl4~0 <= 1; 769#L1031 assume ~r1~0 >= 3; 681#L1035 assume ~r1~0 < 3; 682#L1040 assume ~r1~0 >= 3; 687#L1045 assume ~r1~0 < 3;check_~tmp~1 := 1; 645#L1026-1 check_#res := check_~tmp~1; 646#L1078 main_#t~ret60 := check_#res;main_~c1~0 := main_#t~ret60;havoc main_#t~ret60;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 712#L1198 assume !(0 == assert_~arg % 256); 851#L1193 main_#t~post61 := main_~i2~0;main_~i2~0 := 1 + main_#t~post61;havoc main_#t~post61; 844#L1155-2 [2021-10-15 20:28:19,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:28:19,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 2 times [2021-10-15 20:28:19,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:28:19,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86493419] [2021-10-15 20:28:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:28:19,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:28:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:28:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:28:19,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:28:19,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86493419] [2021-10-15 20:28:19,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86493419] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:28:19,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:28:19,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 20:28:19,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430126600] [2021-10-15 20:28:19,428 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:28:19,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:28:19,429 INFO L82 PathProgramCache]: Analyzing trace with hash 970511552, now seen corresponding path program 1 times [2021-10-15 20:28:19,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:28:19,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46715037] [2021-10-15 20:28:19,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:28:19,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:28:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:28:19,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:28:19,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:28:19,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46715037] [2021-10-15 20:28:19,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46715037] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:28:19,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:28:19,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:28:19,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866275476] [2021-10-15 20:28:19,508 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-15 20:28:19,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:28:19,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:28:19,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:28:19,510 INFO L87 Difference]: Start difference. First operand 286 states and 504 transitions. cyclomatic complexity: 219 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 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) [2021-10-15 20:28:19,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:28:19,594 INFO L93 Difference]: Finished difference Result 371 states and 638 transitions. [2021-10-15 20:28:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:28:19,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 371 states and 638 transitions. [2021-10-15 20:28:19,601 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 191 [2021-10-15 20:28:19,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 371 states to 371 states and 638 transitions. [2021-10-15 20:28:19,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 371 [2021-10-15 20:28:19,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 371 [2021-10-15 20:28:19,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 371 states and 638 transitions. [2021-10-15 20:28:19,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:28:19,613 INFO L681 BuchiCegarLoop]: Abstraction has 371 states and 638 transitions. [2021-10-15 20:28:19,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states and 638 transitions. [2021-10-15 20:28:19,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2021-10-15 20:28:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 371 states have (on average 1.719676549865229) internal successors, (638), 370 states have internal predecessors, (638), 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) [2021-10-15 20:28:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 638 transitions. [2021-10-15 20:28:19,637 INFO L704 BuchiCegarLoop]: Abstraction has 371 states and 638 transitions. [2021-10-15 20:28:19,637 INFO L587 BuchiCegarLoop]: Abstraction has 371 states and 638 transitions. [2021-10-15 20:28:19,637 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 20:28:19,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 371 states and 638 transitions. [2021-10-15 20:28:19,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 191 [2021-10-15 20:28:19,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:28:19,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:28:19,644 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:28:19,644 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, 1, 1, 1, 1] [2021-10-15 20:28:19,645 INFO L791 eck$LassoCheckResult]: Stem: 1560#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(39);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 1524#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~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~ret59, main_#t~ret60, main_#t~post61, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~id2~0 := main_#t~nondet38;havoc main_#t~nondet38;~r2~0 := main_#t~nondet39;havoc main_#t~nondet39;~st2~0 := main_#t~nondet40;havoc main_#t~nondet40;~nl2~0 := main_#t~nondet41;havoc main_#t~nondet41;~m2~0 := main_#t~nondet42;havoc main_#t~nondet42;~max2~0 := main_#t~nondet43;havoc main_#t~nondet43;~mode2~0 := main_#t~nondet44;havoc main_#t~nondet44;~id3~0 := main_#t~nondet45;havoc main_#t~nondet45;~r3~0 := main_#t~nondet46;havoc main_#t~nondet46;~st3~0 := main_#t~nondet47;havoc main_#t~nondet47;~nl3~0 := main_#t~nondet48;havoc main_#t~nondet48;~m3~0 := main_#t~nondet49;havoc main_#t~nondet49;~max3~0 := main_#t~nondet50;havoc main_#t~nondet50;~mode3~0 := main_#t~nondet51;havoc main_#t~nondet51;~id4~0 := main_#t~nondet52;havoc main_#t~nondet52;~r4~0 := main_#t~nondet53;havoc main_#t~nondet53;~st4~0 := main_#t~nondet54;havoc main_#t~nondet54;~nl4~0 := main_#t~nondet55;havoc main_#t~nondet55;~m4~0 := main_#t~nondet56;havoc main_#t~nondet56;~max4~0 := main_#t~nondet57;havoc main_#t~nondet57;~mode4~0 := main_#t~nondet58;havoc main_#t~nondet58;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 1511#L393 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 1418#L404 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 1485#L414 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 1304#L425 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 1556#L435 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 1356#L446 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 1472#L456 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 1389#L467 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 1500#L477 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 1399#L488 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 1400#L498 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 1336#L509 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 1369#L519 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 1361#L530 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 1362#L540 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 1470#L551 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 1401#L561 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 1378#L572 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 1466#L582 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 1308#L593 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 1408#L603 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 1342#L614 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 1523#L624 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 1321#L635 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 1322#L645 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 1345#L656 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 1451#L666 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 1280#L677 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 1281#L687 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 1350#L698 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 1289#L708 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 1290#L719 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 1522#L729 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 1272#L740 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 1527#L750 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 1444#L761 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 1445#L771 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 1410#L782 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 1492#L792 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 1286#L803 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 1318#L813 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 1363#L824 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 1484#L834 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 1339#L845 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 1292#L855 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 1293#L866 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 1443#L876 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 1314#L887 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 1494#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 1302#L897-1 init_#res := init_~tmp___23~0; 1471#L1018 main_#t~ret59 := init_#res;main_~i2~0 := main_#t~ret59;havoc main_#t~ret59;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; 1454#L21 assume !(0 == assume_abort_if_not_~cond); 1455#L20 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 1509#L1155-2 [2021-10-15 20:28:19,645 INFO L793 eck$LassoCheckResult]: Loop: 1509#L1155-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9; 1636#L109 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256); 1474#L111 assume !(0 != ~ep21~0 % 256); 1380#L111-1 assume !(0 != ~ep31~0 % 256); 1328#L118 assume !(0 != ~ep41~0 % 256); 1531#L125 assume !(3 == ~r1~0); 1552#L132 ~mode1~0 := 0; 1614#L109-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12; 1612#L162 assume !(0 != ~mode2~0 % 256); 1613#L194 assume !(~r2~0 < 3); 1601#L194-1 ~mode2~0 := 1; 1600#L162-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15; 1596#L215 assume !(0 != ~mode3~0 % 256); 1592#L247 assume !(~r3~0 < 3); 1585#L247-1 ~mode3~0 := 1; 1584#L215-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18; 1582#L268 assume !(0 != ~mode4~0 % 256); 1572#L300 assume !(~r4~0 < 3); 1568#L300-1 ~mode4~0 := 1; 1567#L268-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1566#L1026 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1565#L1027 assume ~st1~0 + ~nl1~0 <= 1; 1564#L1028 assume ~st2~0 + ~nl2~0 <= 1; 1563#L1029 assume ~st3~0 + ~nl3~0 <= 1; 1562#L1030 assume ~st4~0 + ~nl4~0 <= 1; 1561#L1031 assume !(~r1~0 >= 3); 1535#L1034 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1536#L1035 assume ~r1~0 < 3; 1634#L1040 assume !(~r1~0 >= 3); 1541#L1044 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1542#L1045 assume ~r1~0 < 3;check_~tmp~1 := 1; 1640#L1026-1 check_#res := check_~tmp~1; 1639#L1078 main_#t~ret60 := check_#res;main_~c1~0 := main_#t~ret60;havoc main_#t~ret60;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1638#L1198 assume !(0 == assert_~arg % 256); 1637#L1193 main_#t~post61 := main_~i2~0;main_~i2~0 := 1 + main_#t~post61;havoc main_#t~post61; 1509#L1155-2 [2021-10-15 20:28:19,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:28:19,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 3 times [2021-10-15 20:28:19,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:28:19,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320302540] [2021-10-15 20:28:19,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:28:19,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:28:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:28:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:28:19,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:28:19,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320302540] [2021-10-15 20:28:19,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320302540] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:28:19,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:28:19,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 20:28:19,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141175274] [2021-10-15 20:28:19,755 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:28:19,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:28:19,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1089822456, now seen corresponding path program 1 times [2021-10-15 20:28:19,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:28:19,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843688424] [2021-10-15 20:28:19,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:28:19,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:28:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:28:19,773 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:28:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:28:19,843 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:28:21,508 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:28:21,509 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:28:21,509 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:28:21,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:28:21,512 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 20:28:21,512 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:21,512 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:28:21,513 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:28:21,513 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-10-15 20:28:21,513 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:28:21,513 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:28:21,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:21,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,536 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:28:22,537 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 20:28:22,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:22,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:22,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:22,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 20:28:22,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 20:28:22,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 20:28:22,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:22,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:22,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:22,598 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:22,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 20:28:22,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 20:28:22,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 20:28:22,778 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 20:28:22,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-15 20:28:22,782 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:28:22,782 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:28:22,782 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:28:22,782 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:28:22,782 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:28:22,782 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:22,782 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:28:22,783 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:28:22,783 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-10-15 20:28:22,783 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:28:22,783 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:28:22,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:22,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:23,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:23,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:23,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:23,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:23,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:23,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:23,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:28:23,829 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:28:23,835 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:28:23,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:23,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:23,838 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:23,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:23,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:23,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:23,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:23,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:23,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:23,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:23,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:23,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 20:28:23,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:23,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:23,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:23,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:23,904 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:23,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 20:28:23,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:23,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:23,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:23,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:23,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:23,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:23,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:23,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:23,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:23,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:23,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:23,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:23,979 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:23,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 20:28:23,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:23,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:23,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:23,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:23,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:23,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:23,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:23,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:23,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:24,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,022 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 20:28:24,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:24,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,075 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 20:28:24,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:24,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,128 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 20:28:24,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:24,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,169 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 20:28:24,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:24,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,217 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 20:28:24,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:24,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,275 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 20:28:24,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-15 20:28:24,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,313 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-15 20:28:24,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-15 20:28:24,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,359 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-15 20:28:24,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:24,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,431 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-15 20:28:24,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-15 20:28:24,470 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,471 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-15 20:28:24,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:24,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,542 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-15 20:28:24,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:24,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,604 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-15 20:28:24,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:28:24,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:24,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,649 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-15 20:28:24,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:28:24,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:28:24,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:28:24,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:28:24,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:28:24,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:28:24,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:28:24,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:28:24,670 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:28:24,696 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-15 20:28:24,696 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-15 20:28:24,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:28:24,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:28:24,704 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:28:24,707 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:28:24,707 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 20:28:24,707 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:28:24,708 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] [2021-10-15 20:28:24,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-15 20:28:24,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:24,734 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 20:28:24,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:28:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:28:24,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 20:28:24,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:28:25,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-15 20:28:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:28:25,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 20:28:25,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:28:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:28:25,667 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 [2021-10-15 20:28:25,668 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 371 states and 638 transitions. cyclomatic complexity: 268 Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2021-10-15 20:28:25,796 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 371 states and 638 transitions. cyclomatic complexity: 268. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 561 states and 946 transitions. Complement of second has 4 states. [2021-10-15 20:28:25,796 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 [2021-10-15 20:28:25,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2021-10-15 20:28:25,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2021-10-15 20:28:25,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 55 letters. Loop has 35 letters. [2021-10-15 20:28:25,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:28:25,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 90 letters. Loop has 35 letters. [2021-10-15 20:28:25,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:28:25,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 55 letters. Loop has 70 letters. [2021-10-15 20:28:25,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:28:25,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 561 states and 946 transitions. [2021-10-15 20:28:25,824 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:28:25,824 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 561 states to 0 states and 0 transitions. [2021-10-15 20:28:25,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 20:28:25,824 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 20:28:25,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 20:28:25,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:28:25,825 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:28:25,825 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:28:25,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:28:25,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 20:28:25,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:28:25,831 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:28:25,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:28:25,832 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-15 20:28:25,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 20:28:25,832 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-15 20:28:25,832 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:28:25,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-15 20:28:25,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 20:28:25,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 20:28:25,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 20:28:25,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:28:25,833 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:28:25,833 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:28:25,834 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:28:25,834 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-15 20:28:25,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 20:28:25,834 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:28:25,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 20:28:25,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 08:28:25 BoogieIcfgContainer [2021-10-15 20:28:25,841 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 20:28:25,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:28:25,842 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:28:25,842 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:28:25,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:28:17" (3/4) ... [2021-10-15 20:28:25,847 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:28:25,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:28:25,850 INFO L168 Benchmark]: Toolchain (without parser) took 10564.03 ms. Allocated memory was 115.3 MB in the beginning and 167.8 MB in the end (delta: 52.4 MB). Free memory was 79.4 MB in the beginning and 90.6 MB in the end (delta: -11.3 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:28:25,851 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 85.7 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:28:25,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.93 ms. Allocated memory is still 115.3 MB. Free memory was 78.9 MB in the beginning and 80.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:28:25,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.40 ms. Allocated memory is still 115.3 MB. Free memory was 80.0 MB in the beginning and 75.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:28:25,854 INFO L168 Benchmark]: Boogie Preprocessor took 101.63 ms. Allocated memory is still 115.3 MB. Free memory was 75.0 MB in the beginning and 71.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:28:25,858 INFO L168 Benchmark]: RCFGBuilder took 1659.77 ms. Allocated memory is still 115.3 MB. Free memory was 71.4 MB in the beginning and 78.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 42.0 MB. Max. memory is 16.1 GB. [2021-10-15 20:28:25,861 INFO L168 Benchmark]: BuchiAutomizer took 7977.58 ms. Allocated memory was 115.3 MB in the beginning and 167.8 MB in the end (delta: 52.4 MB). Free memory was 78.0 MB in the beginning and 90.6 MB in the end (delta: -12.7 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:28:25,862 INFO L168 Benchmark]: Witness Printer took 5.17 ms. Allocated memory is still 167.8 MB. Free memory is still 90.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:28:25,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 85.7 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 700.93 ms. Allocated memory is still 115.3 MB. Free memory was 78.9 MB in the beginning and 80.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.40 ms. Allocated memory is still 115.3 MB. Free memory was 80.0 MB in the beginning and 75.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.63 ms. Allocated memory is still 115.3 MB. Free memory was 75.0 MB in the beginning and 71.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1659.77 ms. Allocated memory is still 115.3 MB. Free memory was 71.4 MB in the beginning and 78.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 42.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7977.58 ms. Allocated memory was 115.3 MB in the beginning and 167.8 MB in the end (delta: 52.4 MB). Free memory was 78.0 MB in the beginning and 90.6 MB in the end (delta: -12.7 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.17 ms. Allocated memory is still 167.8 MB. Free memory is still 90.6 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 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.1s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 65.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 371 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1520 SDtfs, 796 SDslu, 2189 SDs, 0 SdLazy, 35 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital216 mio100 ax100 hnf100 lsp34 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 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! [2021-10-15 20:28:25,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3cd73d-f76f-4786-ae39-b058585bbaf3/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...