./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/max05-1.i --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_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/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_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/max05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/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_2f2afff9-5057-48fe-b0c5-8c885e50885f/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 6ae365f36af85d643f41b38559013209b3bcedb0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:07:14,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:07:14,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:07:14,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:07:14,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:07:14,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:07:14,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:07:14,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:07:14,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:07:14,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:07:14,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:07:14,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:07:14,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:07:14,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:07:14,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:07:14,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:07:14,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:07:14,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:07:14,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:07:14,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:07:14,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:07:14,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:07:14,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:07:14,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:07:14,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:07:14,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:07:14,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:07:14,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:07:14,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:07:14,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:07:14,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:07:14,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:07:14,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:07:14,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:07:14,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:07:14,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:07:14,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:07:14,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:07:14,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:07:14,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:07:14,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:07:14,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 20:07:15,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:07:15,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:07:15,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:07:15,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:07:15,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:07:15,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:07:15,015 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:07:15,015 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 20:07:15,016 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 20:07:15,016 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 20:07:15,016 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 20:07:15,016 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 20:07:15,017 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 20:07:15,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:07:15,017 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:07:15,018 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:07:15,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:07:15,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:07:15,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:07:15,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 20:07:15,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 20:07:15,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 20:07:15,019 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:07:15,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:07:15,020 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 20:07:15,020 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:07:15,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 20:07:15,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:07:15,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:07:15,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:07:15,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:07:15,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:07:15,023 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 20:07:15,023 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_2f2afff9-5057-48fe-b0c5-8c885e50885f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ae365f36af85d643f41b38559013209b3bcedb0 [2021-10-15 20:07:15,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:07:15,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:07:15,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:07:15,439 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:07:15,440 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:07:15,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/reducercommutativity/max05-1.i [2021-10-15 20:07:15,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/data/d42a7e12c/eb8545a369e34aee9010056ec1c83980/FLAGdad7ba4ab [2021-10-15 20:07:16,213 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:07:16,214 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/sv-benchmarks/c/reducercommutativity/max05-1.i [2021-10-15 20:07:16,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/data/d42a7e12c/eb8545a369e34aee9010056ec1c83980/FLAGdad7ba4ab [2021-10-15 20:07:16,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/data/d42a7e12c/eb8545a369e34aee9010056ec1c83980 [2021-10-15 20:07:16,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:07:16,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:07:16,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:07:16,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:07:16,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:07:16,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f661ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16, skipping insertion in model container [2021-10-15 20:07:16,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:07:16,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:07:16,555 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_2f2afff9-5057-48fe-b0c5-8c885e50885f/sv-benchmarks/c/reducercommutativity/max05-1.i[1284,1297] [2021-10-15 20:07:16,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:07:16,566 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:07:16,593 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_2f2afff9-5057-48fe-b0c5-8c885e50885f/sv-benchmarks/c/reducercommutativity/max05-1.i[1284,1297] [2021-10-15 20:07:16,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:07:16,613 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:07:16,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16 WrapperNode [2021-10-15 20:07:16,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:07:16,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:07:16,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:07:16,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:07:16,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:07:16,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:07:16,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:07:16,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:07:16,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:07:16,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:07:16,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:07:16,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:07:16,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16" (1/1) ... [2021-10-15 20:07:16,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:16,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:16,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:16,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 20:07:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:07:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:07:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 20:07:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:07:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:07:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 20:07:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:07:17,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:07:17,219 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-15 20:07:17,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:07:17 BoogieIcfgContainer [2021-10-15 20:07:17,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:07:17,229 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 20:07:17,229 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 20:07:17,243 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 20:07:17,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:07:17,244 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 08:07:16" (1/3) ... [2021-10-15 20:07:17,246 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11bf0260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:07:17, skipping insertion in model container [2021-10-15 20:07:17,246 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:07:17,246 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:16" (2/3) ... [2021-10-15 20:07:17,246 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11bf0260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:07:17, skipping insertion in model container [2021-10-15 20:07:17,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:07:17,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:07:17" (3/3) ... [2021-10-15 20:07:17,248 INFO L389 chiAutomizerObserver]: Analyzing ICFG max05-1.i [2021-10-15 20:07:17,356 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 20:07:17,356 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 20:07:17,356 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 20:07:17,356 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 20:07:17,357 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 20:07:17,357 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 20:07:17,357 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 20:07:17,357 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 20:07:17,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 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 20:07:17,402 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2021-10-15 20:07:17,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:17,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:17,411 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 20:07:17,411 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:07:17,412 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 20:07:17,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 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 20:07:17,416 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2021-10-15 20:07:17,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:17,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:17,417 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 20:07:17,417 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:07:17,424 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 17#L34-3true [2021-10-15 20:07:17,424 INFO L793 eck$LassoCheckResult]: Loop: 17#L34-3true assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 11#L34-2true main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 17#L34-3true [2021-10-15 20:07:17,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:17,432 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-15 20:07:17,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:17,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503598366] [2021-10-15 20:07:17,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:17,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:17,576 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:17,621 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:17,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:17,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-15 20:07:17,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:17,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762006753] [2021-10-15 20:07:17,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:17,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:17,638 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:17,650 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:17,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:17,653 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-15 20:07:17,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:17,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468485691] [2021-10-15 20:07:17,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:17,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:17,683 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:17,713 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:18,403 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:07:18,404 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:07:18,404 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:07:18,404 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:07:18,405 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:07:18,406 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:18,406 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:07:18,406 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:07:18,406 INFO L133 ssoRankerPreferences]: Filename of dumped script: max05-1.i_Iteration1_Lasso [2021-10-15 20:07:18,407 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:07:18,407 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:07:18,441 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 20:07:18,452 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 20:07:18,456 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 20:07:18,459 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 20:07:18,465 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 20:07:18,468 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 20:07:18,471 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 20:07:18,476 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 20:07:18,481 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 20:07:18,486 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 20:07:18,492 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 20:07:18,498 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 20:07:18,502 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 20:07:18,505 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 20:07:18,509 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 20:07:18,513 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 20:07:18,516 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 20:07:18,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:07:18,758 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 20:07:19,134 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:07:19,140 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:07:19,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:19,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:19,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:19,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:19,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:19,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:19,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 20:07:19,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:19,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:19,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:19,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:19,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:19,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:19,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:19,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:19,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:19,248 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:19,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:19,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:19,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:19,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:19,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:19,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:19,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:19,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:19,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 20:07:19,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:19,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:19,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:19,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:19,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:19,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:19,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:19,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:19,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:19,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:19,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:19,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:19,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:19,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 20:07:19,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:19,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:19,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:19,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:19,412 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:19,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 20:07:19,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:19,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:19,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:19,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:19,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:19,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:19,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:19,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:19,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:19,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:19,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:19,504 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:19,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:19,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:19,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:19,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:19,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:19,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:19,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:19,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:19,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 20:07:19,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:19,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:19,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:19,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:19,585 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:19,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 20:07:19,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:19,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:19,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:19,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:19,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:19,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:19,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:19,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:19,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:19,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:19,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:19,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:19,690 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:19,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:19,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:19,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:19,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:19,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:19,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:19,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:19,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:19,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 20:07:19,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:19,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:19,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:19,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:19,779 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:19,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 20:07:19,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:19,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:19,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:19,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:19,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:19,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:19,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:19,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:19,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-15 20:07:19,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:19,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:19,879 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:19,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:19,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:19,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:19,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:19,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:19,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:19,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:19,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:19,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 20:07:19,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:19,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:19,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:19,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:19,938 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:19,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:19,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 20:07:19,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:19,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:19,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:19,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:19,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:19,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:19,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:20,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,040 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:20,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:20,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:20,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:20,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 20:07:20,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:20,118 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,120 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-15 20:07:20,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:20,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:20,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:20,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:20,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:20,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,171 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-15 20:07:20,173 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 20:07:20,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:20,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:20,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:20,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:20,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,214 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-15 20:07:20,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:20,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:20,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:20,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:20,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:20,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,256 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-15 20:07:20,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:20,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:20,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:20,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:20,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-15 20:07:20,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,330 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-15 20:07:20,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:20,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:20,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:20,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:20,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:20,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,377 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-15 20:07:20,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:20,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:20,394 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:20,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:20,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,442 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-15 20:07:20,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:20,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:20,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:20,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:20,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:20,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,514 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:20,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-15 20:07:20,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:20,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:20,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:20,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,587 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-15 20:07:20,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:20,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:20,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:20,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:20,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,662 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-15 20:07:20,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:20,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:20,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:20,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:20,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:20,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,713 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-15 20:07:20,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:20,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:20,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:20,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:20,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:20,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:20,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:20,751 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:07:20,792 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-15 20:07:20,792 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-15 20:07:20,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:20,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:20,800 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:20,803 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:07:20,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-15 20:07:20,834 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 20:07:20,834 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:07:20,835 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1) = -8*ULTIMATE.start_main_~i~1 + 9*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1 Supporting invariants [] [2021-10-15 20:07:20,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-15 20:07:20,910 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-10-15 20:07:20,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:20,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 20:07:20,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:21,009 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-15 20:07:21,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:21,079 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 20:07:21,096 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 20:07:21,098 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20:07:21,201 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 84 states and 119 transitions. Complement of second has 8 states. [2021-10-15 20:07:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 20:07:21,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20:07:21,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-10-15 20:07:21,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-15 20:07:21,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:07:21,208 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-15 20:07:21,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:07:21,208 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-15 20:07:21,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:07:21,209 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 119 transitions. [2021-10-15 20:07:21,216 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:21,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 25 states and 33 transitions. [2021-10-15 20:07:21,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-10-15 20:07:21,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-15 20:07:21,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2021-10-15 20:07:21,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:21,224 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-15 20:07:21,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2021-10-15 20:07:21,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-10-15 20:07:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 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 20:07:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-10-15 20:07:21,256 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-15 20:07:21,257 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-15 20:07:21,257 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 20:07:21,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-10-15 20:07:21,258 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:21,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:21,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:21,259 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-15 20:07:21,259 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:21,259 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 188#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 196#L34-3 assume !(main_~i~1 < 5); 189#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 190#L20-3 [2021-10-15 20:07:21,260 INFO L793 eck$LassoCheckResult]: Loop: 190#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 203#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 204#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 205#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 190#L20-3 [2021-10-15 20:07:21,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:21,261 INFO L82 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2021-10-15 20:07:21,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:21,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897427241] [2021-10-15 20:07:21,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:21,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:21,315 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 20:07:21,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:07:21,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897427241] [2021-10-15 20:07:21,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897427241] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:07:21,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:07:21,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:07:21,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104455928] [2021-10-15 20:07:21,321 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:07:21,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:21,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 1 times [2021-10-15 20:07:21,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:21,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025415859] [2021-10-15 20:07:21,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:21,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:21,331 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:21,340 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:21,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:07:21,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:07:21,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:07:21,415 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20:07:21,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:07:21,446 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2021-10-15 20:07:21,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:07:21,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2021-10-15 20:07:21,450 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:21,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 33 transitions. [2021-10-15 20:07:21,453 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-15 20:07:21,454 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-15 20:07:21,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2021-10-15 20:07:21,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:21,454 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-15 20:07:21,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2021-10-15 20:07:21,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-10-15 20:07:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 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 20:07:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-10-15 20:07:21,464 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-15 20:07:21,465 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-15 20:07:21,465 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 20:07:21,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-10-15 20:07:21,468 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:21,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:21,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:21,469 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-15 20:07:21,469 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:21,470 INFO L791 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 243#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 253#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 256#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 257#L34-3 assume !(main_~i~1 < 5); 246#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 247#L20-3 [2021-10-15 20:07:21,471 INFO L793 eck$LassoCheckResult]: Loop: 247#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 260#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 261#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 262#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 247#L20-3 [2021-10-15 20:07:21,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:21,471 INFO L82 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2021-10-15 20:07:21,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:21,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595496547] [2021-10-15 20:07:21,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:21,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:21,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:07:21,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:07:21,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595496547] [2021-10-15 20:07:21,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595496547] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:21,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536772802] [2021-10-15 20:07:21,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:21,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:07:21,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:21,538 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:07:21,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-15 20:07:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:21,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-15 20:07:21,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:07:21,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536772802] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:21,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:07:21,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-15 20:07:21,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447224208] [2021-10-15 20:07:21,641 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:07:21,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:21,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 2 times [2021-10-15 20:07:21,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:21,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500313690] [2021-10-15 20:07:21,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:21,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:21,649 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:21,677 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:21,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:07:21,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 20:07:21,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:07:21,756 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 20:07:21,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:07:21,777 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2021-10-15 20:07:21,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-15 20:07:21,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2021-10-15 20:07:21,779 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:21,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 35 transitions. [2021-10-15 20:07:21,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-15 20:07:21,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-15 20:07:21,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2021-10-15 20:07:21,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:21,781 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-10-15 20:07:21,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2021-10-15 20:07:21,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2021-10-15 20:07:21,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 26 states have internal predecessors, (34), 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 20:07:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-10-15 20:07:21,784 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-15 20:07:21,784 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-15 20:07:21,800 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-15 20:07:21,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2021-10-15 20:07:21,801 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:21,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:21,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:21,801 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2021-10-15 20:07:21,801 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:21,802 INFO L791 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 319#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 329#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 332#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 333#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 341#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 342#L34-3 assume !(main_~i~1 < 5); 322#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 323#L20-3 [2021-10-15 20:07:21,802 INFO L793 eck$LassoCheckResult]: Loop: 323#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 336#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 337#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 338#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 323#L20-3 [2021-10-15 20:07:21,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:21,802 INFO L82 PathProgramCache]: Analyzing trace with hash 265236367, now seen corresponding path program 2 times [2021-10-15 20:07:21,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:21,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371253533] [2021-10-15 20:07:21,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:21,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:07:21,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:07:21,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371253533] [2021-10-15 20:07:21,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371253533] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:21,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916389512] [2021-10-15 20:07:21,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-15 20:07:21,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:07:21,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:21,879 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:07:21,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-10-15 20:07:21,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-15 20:07:21,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-15 20:07:21,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 20:07:21,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:07:21,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916389512] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:21,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:07:21,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-15 20:07:21,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235941659] [2021-10-15 20:07:21,999 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:07:21,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:21,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 3 times [2021-10-15 20:07:21,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:22,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782195048] [2021-10-15 20:07:22,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:22,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:22,024 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:22,032 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:22,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:07:22,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-15 20:07:22,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-15 20:07:22,121 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 20:07:22,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:07:22,157 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2021-10-15 20:07:22,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:07:22,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2021-10-15 20:07:22,161 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:22,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 37 transitions. [2021-10-15 20:07:22,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-15 20:07:22,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-15 20:07:22,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 37 transitions. [2021-10-15 20:07:22,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:22,164 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-15 20:07:22,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 37 transitions. [2021-10-15 20:07:22,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2021-10-15 20:07:22,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:07:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2021-10-15 20:07:22,174 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-10-15 20:07:22,174 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-10-15 20:07:22,174 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-15 20:07:22,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 36 transitions. [2021-10-15 20:07:22,175 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:22,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:22,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:22,177 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1] [2021-10-15 20:07:22,177 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:22,177 INFO L791 eck$LassoCheckResult]: Stem: 407#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 408#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 416#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 419#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 420#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 431#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 428#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 429#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 430#L34-3 assume !(main_~i~1 < 5); 409#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 410#L20-3 [2021-10-15 20:07:22,177 INFO L793 eck$LassoCheckResult]: Loop: 410#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 423#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 424#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 425#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 410#L20-3 [2021-10-15 20:07:22,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:22,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1489134225, now seen corresponding path program 3 times [2021-10-15 20:07:22,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:22,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236826299] [2021-10-15 20:07:22,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:22,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:22,283 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:07:22,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:07:22,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236826299] [2021-10-15 20:07:22,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236826299] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:22,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352448807] [2021-10-15 20:07:22,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-15 20:07:22,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:07:22,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:22,321 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:07:22,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-15 20:07:22,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-15 20:07:22,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-15 20:07:22,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-15 20:07:22,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:07:22,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352448807] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:22,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:07:22,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-15 20:07:22,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596470647] [2021-10-15 20:07:22,464 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:07:22,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:22,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 4 times [2021-10-15 20:07:22,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:22,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073714003] [2021-10-15 20:07:22,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:22,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:22,474 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:22,492 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:22,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:07:22,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-15 20:07:22,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-15 20:07:22,576 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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 20:07:22,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:07:22,606 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2021-10-15 20:07:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-15 20:07:22,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2021-10-15 20:07:22,608 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:22,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 39 transitions. [2021-10-15 20:07:22,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-15 20:07:22,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-15 20:07:22,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 39 transitions. [2021-10-15 20:07:22,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:22,610 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-10-15 20:07:22,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 39 transitions. [2021-10-15 20:07:22,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2021-10-15 20:07:22,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 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 20:07:22,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-10-15 20:07:22,613 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-15 20:07:22,613 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-15 20:07:22,613 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-15 20:07:22,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2021-10-15 20:07:22,614 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:22,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:22,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:22,615 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2021-10-15 20:07:22,615 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:22,615 INFO L791 eck$LassoCheckResult]: Stem: 503#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 504#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 514#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 526#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 527#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 517#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 518#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 531#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 530#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 529#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 528#L34-3 assume !(main_~i~1 < 5); 507#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 508#L20-3 [2021-10-15 20:07:22,616 INFO L793 eck$LassoCheckResult]: Loop: 508#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 521#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 522#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 523#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 508#L20-3 [2021-10-15 20:07:22,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:22,616 INFO L82 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 4 times [2021-10-15 20:07:22,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:22,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483644487] [2021-10-15 20:07:22,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:22,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:07:22,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:07:22,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483644487] [2021-10-15 20:07:22,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483644487] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:22,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322408003] [2021-10-15 20:07:22,691 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-15 20:07:22,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:07:22,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:22,697 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:07:22,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-15 20:07:22,770 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-15 20:07:22,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-15 20:07:22,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-15 20:07:22,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:22,861 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:07:22,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322408003] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:22,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:07:22,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-15 20:07:22,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492002892] [2021-10-15 20:07:22,863 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:07:22,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:22,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 5 times [2021-10-15 20:07:22,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:22,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930879155] [2021-10-15 20:07:22,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:22,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:22,875 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:22,892 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:23,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:07:23,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-15 20:07:23,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-15 20:07:23,012 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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 20:07:23,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:07:23,037 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2021-10-15 20:07:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-15 20:07:23,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2021-10-15 20:07:23,039 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:23,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 40 transitions. [2021-10-15 20:07:23,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-15 20:07:23,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-15 20:07:23,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 40 transitions. [2021-10-15 20:07:23,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:23,041 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-10-15 20:07:23,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 40 transitions. [2021-10-15 20:07:23,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-15 20:07:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 32 states have internal predecessors, (40), 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 20:07:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-10-15 20:07:23,043 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-10-15 20:07:23,044 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-10-15 20:07:23,044 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-15 20:07:23,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2021-10-15 20:07:23,044 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-15 20:07:23,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:23,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:23,045 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2021-10-15 20:07:23,045 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:23,045 INFO L791 eck$LassoCheckResult]: Stem: 611#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 612#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 622#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 625#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 626#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 634#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 641#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 640#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 639#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 638#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 637#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 636#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 635#L34-3 assume !(main_~i~1 < 5); 615#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 616#L20-3 [2021-10-15 20:07:23,045 INFO L793 eck$LassoCheckResult]: Loop: 616#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 629#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 630#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 631#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 616#L20-3 [2021-10-15 20:07:23,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:23,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 5 times [2021-10-15 20:07:23,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:23,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571836143] [2021-10-15 20:07:23,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:23,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:23,061 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:23,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:23,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:23,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 6 times [2021-10-15 20:07:23,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:23,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638336972] [2021-10-15 20:07:23,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:23,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:23,089 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:23,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:23,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:23,095 INFO L82 PathProgramCache]: Analyzing trace with hash -743539014, now seen corresponding path program 1 times [2021-10-15 20:07:23,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:23,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235164916] [2021-10-15 20:07:23,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:23,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:23,117 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:23,170 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:25,051 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:07:25,051 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:07:25,051 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:07:25,052 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:07:25,052 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:07:25,052 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:25,052 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:07:25,052 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:07:25,052 INFO L133 ssoRankerPreferences]: Filename of dumped script: max05-1.i_Iteration7_Lasso [2021-10-15 20:07:25,052 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:07:25,052 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:07:25,058 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 20:07:25,061 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 20:07:25,063 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 20:07:25,066 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 20:07:25,069 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 20:07:25,071 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 20:07:25,074 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 20:07:25,076 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 20:07:25,079 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 20:07:25,082 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 20:07:25,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:07:25,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:07:25,091 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 20:07:25,094 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 20:07:25,097 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 20:07:25,099 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 20:07:25,103 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 20:07:25,106 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 20:07:25,109 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 20:07:25,113 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 20:07:25,116 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 20:07:25,416 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 20:07:25,419 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 20:07:25,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:07:25,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:07:25,738 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:07:25,740 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:07:25,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:25,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:25,744 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:25,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-15 20:07:25,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:25,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:25,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:25,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:25,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:25,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:25,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:25,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:25,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:25,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:25,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:25,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:25,789 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:25,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-15 20:07:25,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:25,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:25,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:25,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:25,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:25,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:25,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:25,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:25,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:25,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:25,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:25,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:25,848 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:25,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-15 20:07:25,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:25,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:25,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:25,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:25,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:25,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:25,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:25,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:25,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:25,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:25,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:25,932 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:25,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:25,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:25,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:25,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:25,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:25,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:25,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:25,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:25,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-15 20:07:25,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:26,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,006 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-15 20:07:26,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:26,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,072 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-15 20:07:26,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:26,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,134 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-15 20:07:26,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:26,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:26,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,184 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-15 20:07:26,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:26,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,227 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-15 20:07:26,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:26,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:26,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:26,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:26,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,312 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,315 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 20:07:26,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-15 20:07:26,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:26,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,387 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-15 20:07:26,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:26,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:26,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:26,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,464 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-15 20:07:26,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-15 20:07:26,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,523 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-15 20:07:26,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:26,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,563 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-15 20:07:26,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-15 20:07:26,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,598 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-15 20:07:26,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-15 20:07:26,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,665 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-15 20:07:26,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-15 20:07:26,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,700 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-15 20:07:26,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-15 20:07:26,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,744 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-15 20:07:26,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:26,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,779 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-15 20:07:26,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-15 20:07:26,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,819 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-15 20:07:26,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-15 20:07:26,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,886 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:26,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:26,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:26,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-15 20:07:26,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-15 20:07:26,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,958 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-15 20:07:26,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:26,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:26,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:26,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:26,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:26,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:26,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:26,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:26,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:26,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-15 20:07:26,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:26,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:26,995 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:26,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-15 20:07:26,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:27,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:27,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:27,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:27,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:27,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:27,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:27,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:27,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-15 20:07:27,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:27,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:27,070 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:27,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-15 20:07:27,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:27,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:27,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:27,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:27,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:27,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:27,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:27,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:27,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-15 20:07:27,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:27,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:27,131 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:27,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-15 20:07:27,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:27,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:27,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:27,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:27,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:27,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:27,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:27,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:27,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:27,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:27,188 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:27,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-15 20:07:27,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:27,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:27,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:27,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:27,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:27,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:27,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:27,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:27,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-15 20:07:27,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:27,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:27,259 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:27,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-15 20:07:27,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:27,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:27,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:27,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:27,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:27,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:27,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:27,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:27,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:27,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-15 20:07:27,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:27,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:27,296 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:27,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-15 20:07:27,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:27,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:27,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:27,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:27,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:27,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:27,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:27,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:27,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:27,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:27,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:27,371 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:27,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-15 20:07:27,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:27,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:27,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:27,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:27,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:27,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:27,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:27,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:27,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-15 20:07:27,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:27,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:27,415 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:27,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-15 20:07:27,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:27,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:27,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:27,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:27,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:27,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:27,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:27,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:27,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:27,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:27,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:27,487 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:27,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-15 20:07:27,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:27,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:27,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:27,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:27,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:27,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:27,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:27,540 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:07:27,581 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-15 20:07:27,581 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-15 20:07:27,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:27,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:27,584 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:27,611 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:07:27,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-15 20:07:27,633 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 20:07:27,634 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:07:27,634 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0) = -2*ULTIMATE.start_max_~i~0 + 9 Supporting invariants [] [2021-10-15 20:07:27,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-15 20:07:27,698 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-15 20:07:27,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:27,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 20:07:27,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:27,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 20:07:27,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:27,833 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 20:07:27,834 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 20:07:27,835 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 20:07:27,862 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 39 states and 50 transitions. Complement of second has 7 states. [2021-10-15 20:07:27,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 20:07:27,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 20:07:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2021-10-15 20:07:27,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 14 letters. Loop has 4 letters. [2021-10-15 20:07:27,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:07:27,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 18 letters. Loop has 4 letters. [2021-10-15 20:07:27,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:07:27,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 14 letters. Loop has 8 letters. [2021-10-15 20:07:27,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:07:27,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-10-15 20:07:27,866 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:27,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 34 states and 42 transitions. [2021-10-15 20:07:27,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-15 20:07:27,867 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-15 20:07:27,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2021-10-15 20:07:27,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:27,868 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-15 20:07:27,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2021-10-15 20:07:27,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-15 20:07:27,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 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 20:07:27,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2021-10-15 20:07:27,880 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-15 20:07:27,880 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-15 20:07:27,881 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-15 20:07:27,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2021-10-15 20:07:27,882 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:27,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:27,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:27,884 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:07:27,884 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:27,885 INFO L791 eck$LassoCheckResult]: Stem: 807#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 808#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 816#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 819#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 820#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 829#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 836#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 835#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 834#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 833#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 832#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 831#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 830#L34-3 assume !(main_~i~1 < 5); 809#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 810#L20-3 assume !(max_~i~0 < 5); 817#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 818#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 815#L20-8 [2021-10-15 20:07:27,885 INFO L793 eck$LassoCheckResult]: Loop: 815#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 803#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 804#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 821#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 815#L20-8 [2021-10-15 20:07:27,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:27,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1638581251, now seen corresponding path program 1 times [2021-10-15 20:07:27,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:27,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685384683] [2021-10-15 20:07:27,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:27,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:27,939 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-15 20:07:27,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:07:27,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685384683] [2021-10-15 20:07:27,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685384683] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:07:27,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:07:27,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:07:27,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938440972] [2021-10-15 20:07:27,941 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:07:27,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:27,942 INFO L82 PathProgramCache]: Analyzing trace with hash 2373478, now seen corresponding path program 1 times [2021-10-15 20:07:27,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:27,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292565470] [2021-10-15 20:07:27,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:27,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:27,949 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:27,957 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:28,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:07:28,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:07:28,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:07:28,012 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 20:07:28,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:07:28,043 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2021-10-15 20:07:28,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:07:28,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 55 transitions. [2021-10-15 20:07:28,046 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:28,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 55 transitions. [2021-10-15 20:07:28,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-15 20:07:28,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-15 20:07:28,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 55 transitions. [2021-10-15 20:07:28,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:28,048 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 55 transitions. [2021-10-15 20:07:28,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 55 transitions. [2021-10-15 20:07:28,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2021-10-15 20:07:28,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2) internal successors, (42), 34 states have internal predecessors, (42), 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 20:07:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2021-10-15 20:07:28,050 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-10-15 20:07:28,051 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-10-15 20:07:28,051 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-15 20:07:28,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2021-10-15 20:07:28,051 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:28,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:28,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:28,052 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:07:28,052 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:28,052 INFO L791 eck$LassoCheckResult]: Stem: 890#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 891#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 901#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 904#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 905#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 915#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 922#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 921#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 920#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 919#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 918#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 917#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 916#L34-3 assume !(main_~i~1 < 5); 894#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 895#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 908#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 910#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 911#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 909#L20-3 assume !(max_~i~0 < 5); 902#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 903#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 900#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 888#L21-3 [2021-10-15 20:07:28,053 INFO L793 eck$LassoCheckResult]: Loop: 888#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 889#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 906#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 914#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 888#L21-3 [2021-10-15 20:07:28,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:28,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1336698829, now seen corresponding path program 1 times [2021-10-15 20:07:28,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:28,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825005276] [2021-10-15 20:07:28,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:28,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:28,112 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-15 20:07:28,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:07:28,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825005276] [2021-10-15 20:07:28,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825005276] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:28,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094105880] [2021-10-15 20:07:28,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:28,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:07:28,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:28,116 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:07:28,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2021-10-15 20:07:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:28,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-15 20:07:28,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-15 20:07:28,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094105880] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:28,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:07:28,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-15 20:07:28,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428336555] [2021-10-15 20:07:28,271 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:07:28,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:28,272 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 2 times [2021-10-15 20:07:28,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:28,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061998032] [2021-10-15 20:07:28,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:28,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:28,278 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:28,283 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:28,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:07:28,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 20:07:28,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:07:28,387 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 20:07:28,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:07:28,459 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2021-10-15 20:07:28,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-15 20:07:28,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 70 transitions. [2021-10-15 20:07:28,462 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:28,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 57 states and 70 transitions. [2021-10-15 20:07:28,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-10-15 20:07:28,465 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-15 20:07:28,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 70 transitions. [2021-10-15 20:07:28,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:28,469 INFO L681 BuchiCegarLoop]: Abstraction has 57 states and 70 transitions. [2021-10-15 20:07:28,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 70 transitions. [2021-10-15 20:07:28,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 43. [2021-10-15 20:07:28,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 42 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:07:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2021-10-15 20:07:28,476 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-10-15 20:07:28,476 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-10-15 20:07:28,476 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-15 20:07:28,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 52 transitions. [2021-10-15 20:07:28,477 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:28,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:28,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:28,478 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:07:28,479 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:28,479 INFO L791 eck$LassoCheckResult]: Stem: 1055#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1056#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1065#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1068#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1069#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1081#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1091#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1089#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1087#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1086#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1085#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1084#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1083#L34-3 assume !(main_~i~1 < 5); 1057#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1058#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1072#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1090#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1088#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1073#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1074#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1075#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1076#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1077#L20-3 assume !(max_~i~0 < 5); 1066#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1067#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1078#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1051#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1052#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1070#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1063#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1064#L21-3 [2021-10-15 20:07:28,479 INFO L793 eck$LassoCheckResult]: Loop: 1064#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1093#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1092#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1082#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1064#L21-3 [2021-10-15 20:07:28,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:28,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1525547091, now seen corresponding path program 1 times [2021-10-15 20:07:28,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:28,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732552318] [2021-10-15 20:07:28,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:28,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-15 20:07:28,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:07:28,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732552318] [2021-10-15 20:07:28,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732552318] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:28,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375472579] [2021-10-15 20:07:28,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:28,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:07:28,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:28,592 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:07:28,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2021-10-15 20:07:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:28,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 20:07:28,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:28,807 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-15 20:07:28,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375472579] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:28,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:07:28,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-15 20:07:28,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71205277] [2021-10-15 20:07:28,809 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:07:28,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:28,809 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 3 times [2021-10-15 20:07:28,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:28,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069300480] [2021-10-15 20:07:28,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:28,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:28,880 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:28,885 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:28,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:28,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:07:28,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-15 20:07:28,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-15 20:07:28,986 INFO L87 Difference]: Start difference. First operand 43 states and 52 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:07:29,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:07:29,062 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2021-10-15 20:07:29,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:07:29,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 85 transitions. [2021-10-15 20:07:29,063 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:29,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 69 states and 85 transitions. [2021-10-15 20:07:29,064 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-10-15 20:07:29,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-10-15 20:07:29,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 85 transitions. [2021-10-15 20:07:29,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:29,065 INFO L681 BuchiCegarLoop]: Abstraction has 69 states and 85 transitions. [2021-10-15 20:07:29,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 85 transitions. [2021-10-15 20:07:29,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 51. [2021-10-15 20:07:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 50 states have internal predecessors, (62), 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 20:07:29,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2021-10-15 20:07:29,072 INFO L704 BuchiCegarLoop]: Abstraction has 51 states and 62 transitions. [2021-10-15 20:07:29,072 INFO L587 BuchiCegarLoop]: Abstraction has 51 states and 62 transitions. [2021-10-15 20:07:29,072 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-15 20:07:29,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 62 transitions. [2021-10-15 20:07:29,073 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:29,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:29,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:29,076 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:07:29,076 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:29,076 INFO L791 eck$LassoCheckResult]: Stem: 1261#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1262#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1272#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1275#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1276#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1292#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1303#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1300#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1298#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1296#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1295#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1294#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1293#L34-3 assume !(main_~i~1 < 5); 1265#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1266#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1280#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1309#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1308#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1281#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1282#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1287#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1285#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1286#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1283#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1284#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1299#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1297#L20-3 assume !(max_~i~0 < 5); 1273#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1274#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1271#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1259#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1260#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1290#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1291#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1307#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1277#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1278#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1306#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1302#L21-3 [2021-10-15 20:07:29,077 INFO L793 eck$LassoCheckResult]: Loop: 1302#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1305#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1304#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1301#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1302#L21-3 [2021-10-15 20:07:29,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:29,077 INFO L82 PathProgramCache]: Analyzing trace with hash 452444531, now seen corresponding path program 2 times [2021-10-15 20:07:29,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:29,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246433800] [2021-10-15 20:07:29,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:29,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-15 20:07:29,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:07:29,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246433800] [2021-10-15 20:07:29,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246433800] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:29,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225841480] [2021-10-15 20:07:29,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-15 20:07:29,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:07:29,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:29,165 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:07:29,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-10-15 20:07:29,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-15 20:07:29,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-15 20:07:29,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-15 20:07:29,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:29,407 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-15 20:07:29,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225841480] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:29,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:07:29,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-15 20:07:29,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727956019] [2021-10-15 20:07:29,408 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:07:29,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:29,409 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 4 times [2021-10-15 20:07:29,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:29,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073908526] [2021-10-15 20:07:29,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:29,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:29,414 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:29,419 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:29,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:07:29,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-15 20:07:29,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-15 20:07:29,507 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 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 20:07:29,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:07:29,614 INFO L93 Difference]: Finished difference Result 81 states and 100 transitions. [2021-10-15 20:07:29,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-15 20:07:29,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 100 transitions. [2021-10-15 20:07:29,616 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:29,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 81 states and 100 transitions. [2021-10-15 20:07:29,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2021-10-15 20:07:29,617 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-10-15 20:07:29,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 100 transitions. [2021-10-15 20:07:29,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:29,618 INFO L681 BuchiCegarLoop]: Abstraction has 81 states and 100 transitions. [2021-10-15 20:07:29,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states and 100 transitions. [2021-10-15 20:07:29,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 59. [2021-10-15 20:07:29,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 58 states have internal predecessors, (72), 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 20:07:29,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2021-10-15 20:07:29,622 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 72 transitions. [2021-10-15 20:07:29,622 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 72 transitions. [2021-10-15 20:07:29,623 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-15 20:07:29,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 72 transitions. [2021-10-15 20:07:29,623 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:29,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:29,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:29,625 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:07:29,625 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:29,625 INFO L791 eck$LassoCheckResult]: Stem: 1514#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1515#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1526#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1544#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1545#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1529#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1530#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1554#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1552#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1549#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1548#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1547#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1546#L34-3 assume !(main_~i~1 < 5); 1518#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1519#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1533#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1536#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1539#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1534#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1535#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1564#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1537#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1538#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1563#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1562#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1561#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1560#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1551#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1558#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1553#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1550#L20-3 assume !(max_~i~0 < 5); 1527#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1528#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1524#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1525#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1570#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1542#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1543#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1512#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1513#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1531#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1569#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1568#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1567#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1566#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1565#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1556#L21-3 [2021-10-15 20:07:29,625 INFO L793 eck$LassoCheckResult]: Loop: 1556#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1559#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1557#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1555#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1556#L21-3 [2021-10-15 20:07:29,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:29,626 INFO L82 PathProgramCache]: Analyzing trace with hash 2023971731, now seen corresponding path program 3 times [2021-10-15 20:07:29,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:29,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246073980] [2021-10-15 20:07:29,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:29,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:29,694 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-15 20:07:29,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:07:29,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246073980] [2021-10-15 20:07:29,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246073980] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:29,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280584785] [2021-10-15 20:07:29,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-15 20:07:29,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:07:29,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:29,704 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:07:29,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-10-15 20:07:29,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-10-15 20:07:29,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-15 20:07:29,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-15 20:07:29,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-15 20:07:30,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280584785] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:30,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:07:30,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-15 20:07:30,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054255634] [2021-10-15 20:07:30,021 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 20:07:30,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:30,021 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 5 times [2021-10-15 20:07:30,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:30,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459534156] [2021-10-15 20:07:30,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:30,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:30,027 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:30,033 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:30,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:07:30,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-15 20:07:30,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-15 20:07:30,157 INFO L87 Difference]: Start difference. First operand 59 states and 72 transitions. cyclomatic complexity: 18 Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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 20:07:30,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:07:30,267 INFO L93 Difference]: Finished difference Result 84 states and 103 transitions. [2021-10-15 20:07:30,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-15 20:07:30,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 103 transitions. [2021-10-15 20:07:30,269 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:30,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 84 states and 103 transitions. [2021-10-15 20:07:30,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2021-10-15 20:07:30,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-10-15 20:07:30,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 103 transitions. [2021-10-15 20:07:30,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:30,272 INFO L681 BuchiCegarLoop]: Abstraction has 84 states and 103 transitions. [2021-10-15 20:07:30,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 103 transitions. [2021-10-15 20:07:30,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 67. [2021-10-15 20:07:30,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.2238805970149254) internal successors, (82), 66 states have internal predecessors, (82), 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 20:07:30,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 82 transitions. [2021-10-15 20:07:30,282 INFO L704 BuchiCegarLoop]: Abstraction has 67 states and 82 transitions. [2021-10-15 20:07:30,282 INFO L587 BuchiCegarLoop]: Abstraction has 67 states and 82 transitions. [2021-10-15 20:07:30,282 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-15 20:07:30,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 82 transitions. [2021-10-15 20:07:30,283 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-15 20:07:30,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:30,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:30,288 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:07:30,291 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:07:30,291 INFO L791 eck$LassoCheckResult]: Stem: 1803#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1804#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1814#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1829#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1830#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1817#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1818#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1839#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1837#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1834#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1833#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1832#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1831#L34-3 assume !(main_~i~1 < 5); 1807#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1808#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1821#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1824#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1825#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1822#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1823#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1860#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1858#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1856#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1854#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1852#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1850#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1849#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1847#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1845#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1842#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1841#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1836#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1840#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1838#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1835#L20-3 assume !(max_~i~0 < 5); 1815#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1816#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1813#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1801#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1802#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1819#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1828#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1867#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1866#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1865#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1864#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1863#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1862#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1861#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1859#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1857#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1855#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1853#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1851#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1844#L21-3 [2021-10-15 20:07:30,294 INFO L793 eck$LassoCheckResult]: Loop: 1844#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1848#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1846#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1843#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1844#L21-3 [2021-10-15 20:07:30,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:30,294 INFO L82 PathProgramCache]: Analyzing trace with hash 669208243, now seen corresponding path program 4 times [2021-10-15 20:07:30,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:30,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999915245] [2021-10-15 20:07:30,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:30,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:30,343 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:30,423 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:30,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:30,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 6 times [2021-10-15 20:07:30,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:30,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238247150] [2021-10-15 20:07:30,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:30,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:30,432 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:30,437 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:30,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:30,439 INFO L82 PathProgramCache]: Analyzing trace with hash -746698386, now seen corresponding path program 1 times [2021-10-15 20:07:30,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:30,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508702029] [2021-10-15 20:07:30,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:30,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:30,553 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 28 proven. 17 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-10-15 20:07:30,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:07:30,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508702029] [2021-10-15 20:07:30,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508702029] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:07:30,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385455445] [2021-10-15 20:07:30,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:30,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:07:30,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:30,560 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:07:30,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2021-10-15 20:07:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:30,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-15 20:07:30,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:30,907 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-10-15 20:07:30,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385455445] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:07:30,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-15 20:07:30,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-10-15 20:07:30,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907400350] [2021-10-15 20:07:31,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:07:31,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-15 20:07:31,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-10-15 20:07:31,011 INFO L87 Difference]: Start difference. First operand 67 states and 82 transitions. cyclomatic complexity: 20 Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 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 20:07:31,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:07:31,146 INFO L93 Difference]: Finished difference Result 84 states and 100 transitions. [2021-10-15 20:07:31,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-15 20:07:31,146 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 100 transitions. [2021-10-15 20:07:31,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:07:31,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 62 states and 73 transitions. [2021-10-15 20:07:31,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-10-15 20:07:31,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-10-15 20:07:31,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 73 transitions. [2021-10-15 20:07:31,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:31,150 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 73 transitions. [2021-10-15 20:07:31,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 73 transitions. [2021-10-15 20:07:31,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-10-15 20:07:31,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 61 states have internal predecessors, (73), 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 20:07:31,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2021-10-15 20:07:31,153 INFO L704 BuchiCegarLoop]: Abstraction has 62 states and 73 transitions. [2021-10-15 20:07:31,154 INFO L587 BuchiCegarLoop]: Abstraction has 62 states and 73 transitions. [2021-10-15 20:07:31,154 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-15 20:07:31,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 73 transitions. [2021-10-15 20:07:31,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:07:31,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:07:31,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:07:31,156 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:07:31,156 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:07:31,157 INFO L791 eck$LassoCheckResult]: Stem: 2139#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 2140#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 2148#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2151#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2152#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2162#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2174#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2172#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2170#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2168#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2166#L34-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2164#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2163#L34-3 assume !(main_~i~1 < 5); 2143#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2144#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2154#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2189#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2157#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2158#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2155#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2156#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2160#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2186#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2184#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2182#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2180#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2178#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2177#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2176#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2175#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2173#L20-3 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2171#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2169#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2167#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2165#L20-3 assume !(max_~i~0 < 5); 2149#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2150#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2159#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2198#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2197#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2161#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2147#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2137#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2138#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2153#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2196#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2195#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2194#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2193#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2192#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2191#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2190#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2188#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2187#L20-8 assume !!(max_~i~0 < 5);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2185#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2183#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2181#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2179#L20-8 assume !(max_~i~0 < 5); 2141#L20-9 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2142#L23-1 main_#t~ret12 := max_#res;main_~ret2~0 := main_#t~ret12;havoc main_#t~ret12;call main_#t~mem13 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem13;havoc main_#t~mem13;main_~i~2 := 0; 2146#L43-3 [2021-10-15 20:07:31,157 INFO L793 eck$LassoCheckResult]: Loop: 2146#L43-3 assume !!(main_~i~2 < 4);call main_#t~mem15 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~2), 4);call write~int(main_#t~mem15, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~2, 4);havoc main_#t~mem15; 2145#L43-2 main_#t~post14 := main_~i~2;main_~i~2 := 1 + main_#t~post14;havoc main_#t~post14; 2146#L43-3 [2021-10-15 20:07:31,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:31,157 INFO L82 PathProgramCache]: Analyzing trace with hash -260352212, now seen corresponding path program 1 times [2021-10-15 20:07:31,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:31,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755281191] [2021-10-15 20:07:31,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:31,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:31,195 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:31,271 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:31,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:31,272 INFO L82 PathProgramCache]: Analyzing trace with hash 3203, now seen corresponding path program 1 times [2021-10-15 20:07:31,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:31,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56543705] [2021-10-15 20:07:31,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:31,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:31,277 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:31,280 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:31,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:31,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1090370322, now seen corresponding path program 1 times [2021-10-15 20:07:31,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:07:31,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506367438] [2021-10-15 20:07:31,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:07:31,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:07:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:31,311 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:07:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:07:31,359 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:07:37,178 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:07:37,178 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:07:37,178 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:07:37,178 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:07:37,179 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:07:37,179 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:37,179 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:07:37,179 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:07:37,179 INFO L133 ssoRankerPreferences]: Filename of dumped script: max05-1.i_Iteration14_Lasso [2021-10-15 20:07:37,179 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:07:37,179 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:07:37,183 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 20:07:37,196 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 20:07:37,198 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 20:07:37,206 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 20:07:37,208 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 20:07:37,210 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 20:07:37,212 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 20:07:37,218 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 20:07:37,222 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 20:07:37,225 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 20:07:37,228 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 20:07:37,230 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 20:07:37,232 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 20:07:37,234 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 20:07:37,236 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 20:07:37,239 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 20:07:37,243 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 20:07:37,245 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 20:07:37,247 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 20:07:37,249 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 20:07:37,257 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 20:07:37,259 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 20:07:38,364 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:07:38,364 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:07:38,364 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,371 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-15 20:07:38,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:38,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:38,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:38,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:38,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-15 20:07:38,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,415 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-15 20:07:38,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:38,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:38,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:38,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:38,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-15 20:07:38,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,459 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-15 20:07:38,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:38,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:38,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:38,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:38,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:38,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,493 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-15 20:07:38,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:38,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:38,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:38,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:38,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-15 20:07:38,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,528 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-15 20:07:38,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:38,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:38,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:38,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:38,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,578 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-15 20:07:38,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:38,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:38,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:38,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:38,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:38,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,626 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-15 20:07:38,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:38,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:38,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:38,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:38,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,714 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:38,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:38,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:38,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:38,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-15 20:07:38,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:38,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,778 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-15 20:07:38,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:38,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:38,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:38,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-15 20:07:38,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,861 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-15 20:07:38,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:38,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:38,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:38,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-15 20:07:38,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,899 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-15 20:07:38,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:38,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:38,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:38,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:38,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-15 20:07:38,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,937 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-15 20:07:38,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:38,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:38,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:38,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:38,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:38,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-15 20:07:38,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:38,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:38,975 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:38,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-15 20:07:38,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:38,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:38,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:38,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:38,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:38,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:38,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:38,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:38,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:39,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-15 20:07:39,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:39,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:39,012 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:39,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-15 20:07:39,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:07:39,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:39,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:39,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:39,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:39,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:39,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:39,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:39,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:39,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:39,048 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:39,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:39,048 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:39,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-15 20:07:39,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:39,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:39,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:39,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:39,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:39,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:39,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:39,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:39,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-15 20:07:39,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:39,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:39,087 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:39,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-15 20:07:39,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:39,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:39,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:39,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:39,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:39,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:39,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:39,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:39,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:39,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-15 20:07:39,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:39,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:39,132 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:39,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-15 20:07:39,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:39,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:39,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:39,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:39,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:39,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:39,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:39,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:39,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:39,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-15 20:07:39,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:39,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:39,169 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:39,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-15 20:07:39,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:39,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:39,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:39,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:39,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:39,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:39,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:39,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:39,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:39,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-15 20:07:39,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:39,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:39,207 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:39,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-15 20:07:39,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:39,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:39,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:39,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:39,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:39,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:39,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:39,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:39,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:39,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:39,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:39,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:39,242 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:39,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-15 20:07:39,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:39,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:39,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:39,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:39,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:39,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:39,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:39,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:39,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:39,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-15 20:07:39,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:39,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:39,279 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:39,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-15 20:07:39,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:39,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:39,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:07:39,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:39,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:39,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:39,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:07:39,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:07:39,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:39,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:39,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:39,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:39,324 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:39,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-15 20:07:39,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:39,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:39,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:39,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:39,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:39,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:39,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:39,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:07:39,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:39,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:39,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:39,405 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:39,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 20:07:39,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-15 20:07:39,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:07:39,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:07:39,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:07:39,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:07:39,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:07:39,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:07:39,450 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:07:39,529 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-10-15 20:07:39,529 INFO L444 ModelExtractionUtils]: 10 out of 31 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-10-15 20:07:39,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:07:39,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:07:39,531 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:07:39,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-15 20:07:39,532 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:07:39,545 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 20:07:39,545 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:07:39,545 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2, v_rep(select #length ULTIMATE.start_max_~x.base)_2) = -16*ULTIMATE.start_main_~i~2 + 7*v_rep(select #length ULTIMATE.start_max_~x.base)_2 Supporting invariants [] [2021-10-15 20:07:39,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-15 20:07:39,678 INFO L297 tatePredicateManager]: 29 out of 30 supporting invariants were superfluous and have been removed [2021-10-15 20:07:39,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:07:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:39,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-15 20:07:39,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:07:40,117 WARN L261 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 20:07:40,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:07:40,149 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 20:07:40,150 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-15 20:07:40,151 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 73 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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 20:07:40,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 73 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) Result 64 states and 76 transitions. Complement of second has 5 states. [2021-10-15 20:07:40,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-15 20:07:40,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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 20:07:40,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2021-10-15 20:07:40,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 60 letters. Loop has 2 letters. [2021-10-15 20:07:40,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:07:40,208 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 62 letters. Loop has 2 letters. [2021-10-15 20:07:40,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:07:40,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 60 letters. Loop has 4 letters. [2021-10-15 20:07:40,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:07:40,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 76 transitions. [2021-10-15 20:07:40,211 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:07:40,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 0 states and 0 transitions. [2021-10-15 20:07:40,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 20:07:40,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 20:07:40,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 20:07:40,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:07:40,212 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:07:40,212 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:07:40,212 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:07:40,212 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-15 20:07:40,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 20:07:40,213 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:07:40,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 20:07:40,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 08:07:40 BoogieIcfgContainer [2021-10-15 20:07:40,220 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 20:07:40,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:07:40,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:07:40,221 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:07:40,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:07:17" (3/4) ... [2021-10-15 20:07:40,226 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:07:40,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:07:40,228 INFO L168 Benchmark]: Toolchain (without parser) took 23970.76 ms. Allocated memory was 104.9 MB in the beginning and 167.8 MB in the end (delta: 62.9 MB). Free memory was 68.0 MB in the beginning and 47.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 83.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:07:40,229 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 104.9 MB. Free memory was 85.2 MB in the beginning and 85.2 MB in the end (delta: 60.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:07:40,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.51 ms. Allocated memory is still 104.9 MB. Free memory was 67.9 MB in the beginning and 79.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:07:40,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.78 ms. Allocated memory is still 104.9 MB. Free memory was 79.9 MB in the beginning and 78.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:07:40,230 INFO L168 Benchmark]: Boogie Preprocessor took 72.31 ms. Allocated memory is still 104.9 MB. Free memory was 77.9 MB in the beginning and 76.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:07:40,231 INFO L168 Benchmark]: RCFGBuilder took 483.63 ms. Allocated memory is still 104.9 MB. Free memory was 76.7 MB in the beginning and 64.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:07:40,231 INFO L168 Benchmark]: BuchiAutomizer took 22991.15 ms. Allocated memory was 104.9 MB in the beginning and 167.8 MB in the end (delta: 62.9 MB). Free memory was 64.1 MB in the beginning and 48.1 MB in the end (delta: 16.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 16.1 GB. [2021-10-15 20:07:40,232 INFO L168 Benchmark]: Witness Printer took 5.63 ms. Allocated memory is still 167.8 MB. Free memory was 48.1 MB in the beginning and 47.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:07:40,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 104.9 MB. Free memory was 85.2 MB in the beginning and 85.2 MB in the end (delta: 60.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 353.51 ms. Allocated memory is still 104.9 MB. Free memory was 67.9 MB in the beginning and 79.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.78 ms. Allocated memory is still 104.9 MB. Free memory was 79.9 MB in the beginning and 78.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.31 ms. Allocated memory is still 104.9 MB. Free memory was 77.9 MB in the beginning and 76.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 483.63 ms. Allocated memory is still 104.9 MB. Free memory was 76.7 MB in the beginning and 64.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 22991.15 ms. Allocated memory was 104.9 MB in the beginning and 167.8 MB in the end (delta: 62.9 MB). Free memory was 64.1 MB in the beginning and 48.1 MB in the end (delta: 16.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.63 ms. Allocated memory is still 167.8 MB. Free memory was 48.1 MB in the beginning and 47.1 MB in the end (delta: 1.0 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 14 terminating modules (11 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 9 * unknown-#length-unknown[x] + -8 * i and consists of 5 locations. One deterministic module has affine ranking function -2 * i + 9 and consists of 4 locations. One deterministic module has affine ranking function -16 * i + 7 * unknown-#length-unknown[x] and consists of 4 locations. 11 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.8s and 15 iterations. TraceHistogramMax:5. Analysis of lassos took 20.8s. Construction of modules took 0.5s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 14. Minimization of nondet autom 0. Automata minimization 88.5ms AutomataMinimizationTime, 13 MinimizatonAttempts, 85 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 67 states and ocurred in iteration 12. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 346 SDtfs, 379 SDslu, 698 SDs, 0 SdLazy, 461 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 507.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU10 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital286 mio100 ax100 hnf100 lsp95 ukn50 mio100 lsp45 div100 bol100 ite100 ukn100 eq169 hnf91 smp97 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 20:07:40,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:40,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2021-10-15 20:07:40,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2021-10-15 20:07:40,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2021-10-15 20:07:41,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:41,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:41,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-10-15 20:07:41,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:41,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-10-15 20:07:42,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-10-15 20:07:42,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2afff9-5057-48fe-b0c5-8c885e50885f/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...