./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL --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 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:50:50,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:50:50,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:50:51,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:50:51,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:50:51,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:50:51,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:50:51,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:50:51,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:50:51,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:50:51,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:50:51,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:50:51,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:50:51,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:50:51,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:50:51,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:50:51,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:50:51,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:50:51,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:50:51,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:50:51,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:50:51,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:50:51,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:50:51,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:50:51,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:50:51,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:50:51,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:50:51,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:50:51,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:50:51,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:50:51,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:50:51,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:50:51,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:50:51,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:50:51,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:50:51,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:50:51,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:50:51,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:50:51,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:50:51,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:50:51,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:50:51,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-19 04:50:51,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:50:51,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:50:51,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:50:51,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:50:51,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:50:51,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:50:51,117 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:50:51,117 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 04:50:51,117 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 04:50:51,117 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 04:50:51,119 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 04:50:51,119 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 04:50:51,119 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 04:50:51,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:50:51,120 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:50:51,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:50:51,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:50:51,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:50:51,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:50:51,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 04:50:51,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 04:50:51,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 04:50:51,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:50:51,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:50:51,122 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 04:50:51,122 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:50:51,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 04:50:51,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:50:51,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:50:51,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:50:51,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:50:51,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:50:51,127 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 04:50:51,128 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_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 [2021-11-19 04:50:51,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:50:51,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:50:51,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:50:51,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:50:51,486 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:50:51,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2021-11-19 04:50:51,557 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/data/715fd9d43/d9acbf85936b432281a010dfbb0ff20f/FLAGfd63fd0a7 [2021-11-19 04:50:52,135 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:50:52,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2021-11-19 04:50:52,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/data/715fd9d43/d9acbf85936b432281a010dfbb0ff20f/FLAGfd63fd0a7 [2021-11-19 04:50:52,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/data/715fd9d43/d9acbf85936b432281a010dfbb0ff20f [2021-11-19 04:50:52,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:50:52,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:50:52,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:50:52,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:50:52,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:50:52,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:52" (1/1) ... [2021-11-19 04:50:52,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77daa47e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52, skipping insertion in model container [2021-11-19 04:50:52,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:52" (1/1) ... [2021-11-19 04:50:52,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:50:52,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:50:52,965 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:50:52,976 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:50:53,037 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:50:53,078 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:50:53,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53 WrapperNode [2021-11-19 04:50:53,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:50:53,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:50:53,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:50:53,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:50:53,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53" (1/1) ... [2021-11-19 04:50:53,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53" (1/1) ... [2021-11-19 04:50:53,135 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2021-11-19 04:50:53,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:50:53,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:50:53,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:50:53,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:50:53,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53" (1/1) ... [2021-11-19 04:50:53,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53" (1/1) ... [2021-11-19 04:50:53,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53" (1/1) ... [2021-11-19 04:50:53,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53" (1/1) ... [2021-11-19 04:50:53,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53" (1/1) ... [2021-11-19 04:50:53,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53" (1/1) ... [2021-11-19 04:50:53,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53" (1/1) ... [2021-11-19 04:50:53,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:50:53,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:50:53,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:50:53,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:50:53,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53" (1/1) ... [2021-11-19 04:50:53,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:53,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:53,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:53,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 04:50:53,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:50:53,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:50:53,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:50:53,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:50:53,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:50:53,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:50:53,398 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:50:53,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:50:53,651 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:50:53,657 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:50:53,657 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 04:50:53,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:53 BoogieIcfgContainer [2021-11-19 04:50:53,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:50:53,660 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 04:50:53,660 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 04:50:53,663 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 04:50:53,664 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:50:53,664 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 04:50:52" (1/3) ... [2021-11-19 04:50:53,666 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42629795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 04:50:53, skipping insertion in model container [2021-11-19 04:50:53,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:50:53,666 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:53" (2/3) ... [2021-11-19 04:50:53,666 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42629795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 04:50:53, skipping insertion in model container [2021-11-19 04:50:53,667 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:50:53,667 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:53" (3/3) ... [2021-11-19 04:50:53,668 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrncmp-alloca-1.i [2021-11-19 04:50:53,717 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 04:50:53,717 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 04:50:53,718 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 04:50:53,718 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 04:50:53,718 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 04:50:53,718 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 04:50:53,718 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 04:50:53,719 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 04:50:53,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 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) [2021-11-19 04:50:53,757 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-19 04:50:53,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:50:53,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:50:53,764 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-19 04:50:53,764 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-19 04:50:53,765 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-19 04:50:53,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 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) [2021-11-19 04:50:53,768 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-19 04:50:53,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:50:53,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:50:53,769 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-19 04:50:53,769 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-19 04:50:53,777 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 10#L532true assume !(main_~length1~0#1 < 1); 6#L532-2true assume !(main_~length2~0#1 < 1); 3#L535-1true call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 22#L541-3true [2021-11-19 04:50:53,777 INFO L793 eck$LassoCheckResult]: Loop: 22#L541-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet18#1; 25#L541-2true main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 22#L541-3true [2021-11-19 04:50:53,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:53,784 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-11-19 04:50:53,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:53,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157176324] [2021-11-19 04:50:53,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:53,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:53,898 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:53,933 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:53,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:53,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-11-19 04:50:53,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:53,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075426673] [2021-11-19 04:50:53,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:53,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:53,949 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:53,959 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:53,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:53,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-11-19 04:50:53,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:53,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038457962] [2021-11-19 04:50:53,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:53,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:53,996 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:54,047 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:54,504 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 04:50:54,505 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 04:50:54,505 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 04:50:54,505 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 04:50:54,505 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 04:50:54,506 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:54,506 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 04:50:54,506 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 04:50:54,507 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration1_Lasso [2021-11-19 04:50:54,507 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 04:50:54,507 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 04:50:54,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:54,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:55,057 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 04:50:55,062 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 04:50:55,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:50:55,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:50:55,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:50:55,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-19 04:50:55,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:55,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:55,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,131 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:50:55,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:50:55,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:50:55,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-19 04:50:55,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:55,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-19 04:50:55,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,210 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:50:55,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:50:55,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:50:55,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-19 04:50:55,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:55,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:55,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,286 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:50:55,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:50:55,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-19 04:50:55,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:55,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:55,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,351 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:50:55,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:50:55,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:50:55,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-19 04:50:55,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:55,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:55,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,434 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:50:55,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:50:55,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-19 04:50:55,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:55,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:55,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,512 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-19 04:50:55,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:50:55,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:50:55,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:50:55,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:55,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-19 04:50:55,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,578 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:50:55,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:50:55,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-19 04:50:55,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:55,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:55,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,660 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:50:55,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:50:55,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-19 04:50:55,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:55,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:55,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,748 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:50:55,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:50:55,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:50:55,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-19 04:50:55,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:55,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:55,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,802 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-19 04:50:55,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:50:55,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:50:55,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:50:55,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:55,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:55,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,844 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-19 04:50:55,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:55,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:55,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:55,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:55,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:55,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:50:55,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:50:55,897 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 04:50:55,918 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-19 04:50:55,919 INFO L444 ModelExtractionUtils]: 14 out of 22 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-11-19 04:50:55,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:55,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:55,925 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:55,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-19 04:50:55,960 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 04:50:55,978 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-19 04:50:55,979 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 04:50:55,979 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-11-19 04:50:56,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:56,044 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-11-19 04:50:56,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:50:56,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 04:50:56,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:50:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:50:56,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 04:50:56,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:50:56,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:50:56,204 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 [2021-11-19 04:50:56,206 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:56,262 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 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). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 91 transitions. Complement of second has 7 states. [2021-11-19 04:50:56,263 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 [2021-11-19 04:50:56,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2021-11-19 04:50:56,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-19 04:50:56,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:50:56,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-19 04:50:56,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:50:56,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-19 04:50:56,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:50:56,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 91 transitions. [2021-11-19 04:50:56,279 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-11-19 04:50:56,283 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 18 states and 25 transitions. [2021-11-19 04:50:56,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-19 04:50:56,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-11-19 04:50:56,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-11-19 04:50:56,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:50:56,285 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-19 04:50:56,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-11-19 04:50:56,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-19 04:50:56,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:56,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-11-19 04:50:56,314 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-19 04:50:56,314 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-19 04:50:56,314 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-19 04:50:56,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-11-19 04:50:56,315 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-11-19 04:50:56,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:50:56,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:50:56,316 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:50:56,316 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-19 04:50:56,316 INFO L791 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 166#L532 assume !(main_~length1~0#1 < 1); 160#L532-2 assume !(main_~length2~0#1 < 1); 156#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 157#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 167#L541-4 main_~i~1#1 := 0; 163#L546-3 [2021-11-19 04:50:56,316 INFO L793 eck$LassoCheckResult]: Loop: 163#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet20#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet20#1; 165#L546-2 main_#t~post19#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post19#1;havoc main_#t~post19#1; 163#L546-3 [2021-11-19 04:50:56,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:56,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-11-19 04:50:56,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:56,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124127658] [2021-11-19 04:50:56,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:56,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:56,330 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:56,342 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:56,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:56,343 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-11-19 04:50:56,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:56,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636315361] [2021-11-19 04:50:56,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:56,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:56,351 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:56,357 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:56,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:56,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-11-19 04:50:56,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:56,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268034342] [2021-11-19 04:50:56,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:56,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:56,373 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:56,390 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:56,707 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 04:50:56,707 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 04:50:56,707 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 04:50:56,707 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 04:50:56,708 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 04:50:56,708 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:56,708 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 04:50:56,708 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 04:50:56,708 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration2_Lasso [2021-11-19 04:50:56,708 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 04:50:56,708 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 04:50:56,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:56,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:56,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:50:57,143 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 04:50:57,143 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 04:50:57,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:57,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:57,157 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:57,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:57,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:57,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:50:57,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:57,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:57,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:57,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:50:57,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:50:57,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-19 04:50:57,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:57,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:57,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:57,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:57,226 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:57,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:57,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:57,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:57,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:57,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:57,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:50:57,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:50:57,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-19 04:50:57,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:57,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:57,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:57,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:57,302 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:57,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:57,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:57,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:57,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:57,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:57,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:50:57,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:50:57,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-19 04:50:57,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:57,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:57,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:57,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:57,373 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:57,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:57,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:57,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:57,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:57,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:57,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:50:57,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:50:57,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-19 04:50:57,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:57,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:57,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:57,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:57,449 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:57,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:57,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:57,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:57,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:57,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:57,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:50:57,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:50:57,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-19 04:50:57,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:57,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:57,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:57,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:57,531 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:57,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:57,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:57,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:57,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:57,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:57,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:50:57,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:50:57,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-19 04:50:57,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:50:57,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:57,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:57,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:57,608 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:57,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:50:57,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:50:57,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:50:57,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:50:57,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:50:57,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:50:57,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:50:57,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-19 04:50:57,653 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 04:50:57,679 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-19 04:50:57,679 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-11-19 04:50:57,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:50:57,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:50:57,680 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:50:57,689 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 04:50:57,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-19 04:50:57,714 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-19 04:50:57,714 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 04:50:57,714 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2021-11-19 04:50:57,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:57,764 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-11-19 04:50:57,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:50:57,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 04:50:57,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:50:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:50:57,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 04:50:57,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:50:57,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:50:57,856 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 [2021-11-19 04:50:57,857 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10 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) [2021-11-19 04:50:57,892 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10. 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) Result 27 states and 40 transitions. Complement of second has 6 states. [2021-11-19 04:50:57,892 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 [2021-11-19 04:50:57,893 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2021-11-19 04:50:57,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-11-19 04:50:57,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-19 04:50:57,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:50:57,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2021-11-19 04:50:57,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:50:57,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 4 letters. [2021-11-19 04:50:57,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:50:57,895 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 40 transitions. [2021-11-19 04:50:57,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-19 04:50:57,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 19 states and 27 transitions. [2021-11-19 04:50:57,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-19 04:50:57,899 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-19 04:50:57,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2021-11-19 04:50:57,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:50:57,904 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-11-19 04:50:57,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2021-11-19 04:50:57,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-19 04:50:57,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2021-11-19 04:50:57,907 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-11-19 04:50:57,907 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-11-19 04:50:57,907 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-19 04:50:57,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2021-11-19 04:50:57,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-19 04:50:57,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:50:57,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:50:57,909 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:50:57,909 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-19 04:50:57,909 INFO L791 eck$LassoCheckResult]: Stem: 277#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 278#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 286#L532 assume !(main_~length1~0#1 < 1); 279#L532-2 assume !(main_~length2~0#1 < 1); 275#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 276#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 290#L541-4 main_~i~1#1 := 0; 282#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 283#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 287#L517 assume !(0 == cstrncmp_~n#1); 280#L519-5 [2021-11-19 04:50:57,909 INFO L793 eck$LassoCheckResult]: Loop: 280#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 281#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 291#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 288#L520 assume cstrncmp_#t~short7#1; 289#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 280#L519-5 [2021-11-19 04:50:57,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:57,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 1 times [2021-11-19 04:50:57,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:57,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62051793] [2021-11-19 04:50:57,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:57,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:57,936 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:57,981 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:57,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:57,984 INFO L85 PathProgramCache]: Analyzing trace with hash 79307716, now seen corresponding path program 1 times [2021-11-19 04:50:57,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:57,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242875858] [2021-11-19 04:50:57,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:57,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:50:58,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:50:58,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:50:58,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242875858] [2021-11-19 04:50:58,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242875858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:50:58,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:50:58,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 04:50:58,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454748950] [2021-11-19 04:50:58,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:50:58,022 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 04:50:58,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:50:58,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:50:58,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:50:58,032 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 11 Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:58,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:50:58,050 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-11-19 04:50:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:50:58,051 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2021-11-19 04:50:58,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-19 04:50:58,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 26 transitions. [2021-11-19 04:50:58,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-19 04:50:58,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-19 04:50:58,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2021-11-19 04:50:58,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:50:58,053 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-11-19 04:50:58,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2021-11-19 04:50:58,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-19 04:50:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:58,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-11-19 04:50:58,055 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-11-19 04:50:58,056 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-11-19 04:50:58,056 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-19 04:50:58,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-11-19 04:50:58,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-19 04:50:58,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:50:58,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:50:58,057 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:50:58,057 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-19 04:50:58,057 INFO L791 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 323#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 331#L532 assume !(main_~length1~0#1 < 1); 324#L532-2 assume !(main_~length2~0#1 < 1); 320#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 321#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 332#L541-4 main_~i~1#1 := 0; 327#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 328#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 333#L517 assume !(0 == cstrncmp_~n#1); 325#L519-5 [2021-11-19 04:50:58,057 INFO L793 eck$LassoCheckResult]: Loop: 325#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 326#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 336#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 334#L520 assume !cstrncmp_#t~short7#1;call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short7#1 := 0 == cstrncmp_#t~mem6#1; 335#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 325#L519-5 [2021-11-19 04:50:58,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:58,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 2 times [2021-11-19 04:50:58,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:58,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829125322] [2021-11-19 04:50:58,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:58,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:58,091 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:58,118 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:58,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:58,119 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 1 times [2021-11-19 04:50:58,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:58,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284155734] [2021-11-19 04:50:58,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:58,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:58,127 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:58,136 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:58,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:58,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1988601847, now seen corresponding path program 1 times [2021-11-19 04:50:58,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:58,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429436225] [2021-11-19 04:50:58,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:58,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:50:58,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-19 04:50:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:50:58,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:50:58,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429436225] [2021-11-19 04:50:58,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429436225] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:50:58,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:50:58,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:50:58,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675789077] [2021-11-19 04:50:58,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:50:58,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:50:58,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 04:50:58,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:50:58,669 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 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) [2021-11-19 04:50:58,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:50:58,759 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2021-11-19 04:50:58,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:50:58,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2021-11-19 04:50:58,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-19 04:50:58,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2021-11-19 04:50:58,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-19 04:50:58,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-19 04:50:58,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2021-11-19 04:50:58,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:50:58,766 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-19 04:50:58,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2021-11-19 04:50:58,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-11-19 04:50:58,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-11-19 04:50:58,768 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-19 04:50:58,769 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-19 04:50:58,769 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-19 04:50:58,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2021-11-19 04:50:58,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-19 04:50:58,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:50:58,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:50:58,770 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:50:58,770 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-19 04:50:58,770 INFO L791 eck$LassoCheckResult]: Stem: 388#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 389#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 397#L532 assume !(main_~length1~0#1 < 1); 390#L532-2 assume !(main_~length2~0#1 < 1); 386#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 387#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet18#1; 403#L541-2 main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 404#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 400#L541-4 main_~i~1#1 := 0; 393#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 394#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 401#L517 assume !(0 == cstrncmp_~n#1); 391#L519-5 [2021-11-19 04:50:58,770 INFO L793 eck$LassoCheckResult]: Loop: 391#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 392#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 402#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 398#L520 assume !cstrncmp_#t~short7#1;call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short7#1 := 0 == cstrncmp_#t~mem6#1; 399#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 391#L519-5 [2021-11-19 04:50:58,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:58,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1351083896, now seen corresponding path program 1 times [2021-11-19 04:50:58,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:58,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304773286] [2021-11-19 04:50:58,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:58,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:58,807 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:58,833 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:58,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:58,834 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 2 times [2021-11-19 04:50:58,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:58,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106117437] [2021-11-19 04:50:58,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:58,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:58,847 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:58,866 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:58,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:58,867 INFO L85 PathProgramCache]: Analyzing trace with hash -350531861, now seen corresponding path program 1 times [2021-11-19 04:50:58,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:58,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887076390] [2021-11-19 04:50:58,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:58,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:50:59,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 04:50:59,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:50:59,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887076390] [2021-11-19 04:50:59,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887076390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:50:59,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:50:59,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 04:50:59,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187713442] [2021-11-19 04:50:59,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:50:59,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:50:59,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 04:50:59,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:50:59,305 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:59,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:50:59,495 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2021-11-19 04:50:59,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 04:50:59,496 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2021-11-19 04:50:59,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-19 04:50:59,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 24 transitions. [2021-11-19 04:50:59,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-19 04:50:59,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-19 04:50:59,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2021-11-19 04:50:59,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:50:59,498 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-11-19 04:50:59,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2021-11-19 04:50:59,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-11-19 04:50:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2021-11-19 04:50:59,501 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-11-19 04:50:59,501 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-11-19 04:50:59,501 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-19 04:50:59,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2021-11-19 04:50:59,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-19 04:50:59,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:50:59,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:50:59,502 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:50:59,502 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-19 04:50:59,503 INFO L791 eck$LassoCheckResult]: Stem: 468#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 469#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 477#L532 assume !(main_~length1~0#1 < 1); 470#L532-2 assume !(main_~length2~0#1 < 1); 466#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 467#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet18#1; 483#L541-2 main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 484#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 480#L541-4 main_~i~1#1 := 0; 473#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet20#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet20#1; 474#L546-2 main_#t~post19#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post19#1;havoc main_#t~post19#1; 475#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 476#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 481#L517 assume !(0 == cstrncmp_~n#1); 471#L519-5 [2021-11-19 04:50:59,503 INFO L793 eck$LassoCheckResult]: Loop: 471#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 472#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 482#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 478#L520 assume !cstrncmp_#t~short7#1;call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short7#1 := 0 == cstrncmp_#t~mem6#1; 479#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 471#L519-5 [2021-11-19 04:50:59,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:59,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217430, now seen corresponding path program 1 times [2021-11-19 04:50:59,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:59,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698428424] [2021-11-19 04:50:59,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:59,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:59,518 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:59,537 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:59,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:59,538 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 3 times [2021-11-19 04:50:59,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:59,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455470698] [2021-11-19 04:50:59,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:59,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:59,545 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:59,570 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:50:59,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:59,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1018233459, now seen corresponding path program 1 times [2021-11-19 04:50:59,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:59,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399292109] [2021-11-19 04:50:59,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:59,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:59,606 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:50:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:50:59,633 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:51:00,686 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 04:51:00,687 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 04:51:00,687 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 04:51:00,687 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 04:51:00,687 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 04:51:00,687 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:00,687 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 04:51:00,687 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 04:51:00,687 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration6_Lasso [2021-11-19 04:51:00,687 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 04:51:00,687 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 04:51:00,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:00,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:01,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:01,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:01,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:01,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:01,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:01,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:01,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:01,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:01,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:51:01,918 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 04:51:01,918 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 04:51:01,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:01,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:01,922 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:01,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-19 04:51:01,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:01,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:01,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:01,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:01,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:01,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:01,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:01,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:01,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:01,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-19 04:51:01,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:01,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:01,961 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:01,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-19 04:51:01,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:01,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:01,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:01,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:01,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:01,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:01,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:01,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:01,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:01,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:01,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:01,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:01,994 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:01,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-19 04:51:01,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-19 04:51:02,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,041 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-19 04:51:02,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-19 04:51:02,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,080 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-19 04:51:02,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-19 04:51:02,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,114 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,133 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 [2021-11-19 04:51:02,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-19 04:51:02,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:02,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,178 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-19 04:51:02,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:51:02,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:51:02,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:02,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,216 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-19 04:51:02,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-19 04:51:02,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,249 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-19 04:51:02,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:02,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,280 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-19 04:51:02,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-19 04:51:02,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,311 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-19 04:51:02,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:51:02,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:51:02,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:02,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,354 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-19 04:51:02,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-19 04:51:02,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,400 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-19 04:51:02,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-19 04:51:02,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,434 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-19 04:51:02,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:02,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,490 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-19 04:51:02,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:02,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,523 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-19 04:51:02,524 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 [2021-11-19 04:51:02,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:51:02,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:51:02,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-19 04:51:02,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,559 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-19 04:51:02,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:02,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,598 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-19 04:51:02,600 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 [2021-11-19 04:51:02,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-19 04:51:02,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,634 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-19 04:51:02,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:02,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,671 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-19 04:51:02,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:02,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,706 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-19 04:51:02,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:51:02,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:51:02,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:51:02,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-19 04:51:02,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,741 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-19 04:51:02,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:51:02,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:51:02,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-19 04:51:02,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,790 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-19 04:51:02,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:51:02,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:51:02,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:02,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,870 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:02,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:02,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:51:02,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:51:02,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-19 04:51:02,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:02,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:02,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:02,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:02,939 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:02,942 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 [2021-11-19 04:51:02,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-19 04:51:02,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:02,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:02,952 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-19 04:51:02,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:02,962 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-19 04:51:02,962 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-19 04:51:02,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:51:03,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:03,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:03,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:03,025 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:03,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:51:03,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:51:03,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:51:03,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:51:03,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:51:03,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-19 04:51:03,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 04:51:03,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 04:51:03,091 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 04:51:03,208 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2021-11-19 04:51:03,208 INFO L444 ModelExtractionUtils]: 15 out of 49 variables were initially zero. Simplification set additionally 29 variables to zero. [2021-11-19 04:51:03,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:51:03,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:51:03,213 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:51:03,217 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 04:51:03,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-19 04:51:03,249 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-19 04:51:03,249 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 04:51:03,249 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_cstrncmp_~s1#1.offset) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_cstrncmp_~s1#1.offset Supporting invariants [-1*v_rep(select #length ULTIMATE.start_cstrncmp_~s1#1.base)_1 + 1*ULTIMATE.start_main_~length1~0#1 >= 0] [2021-11-19 04:51:03,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:03,378 INFO L297 tatePredicateManager]: 22 out of 23 supporting invariants were superfluous and have been removed [2021-11-19 04:51:03,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:51:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:51:03,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 04:51:03,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:51:03,496 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-19 04:51:03,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2021-11-19 04:51:03,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2021-11-19 04:51:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:51:03,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 04:51:03,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:51:03,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-19 04:51:03,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:51:03,700 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-11-19 04:51:03,700 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2021-11-19 04:51:03,774 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) Result 24 states and 29 transitions. Complement of second has 8 states. [2021-11-19 04:51:03,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-19 04:51:03,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2021-11-19 04:51:03,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2021-11-19 04:51:03,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 14 letters. Loop has 5 letters. [2021-11-19 04:51:03,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:51:03,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 19 letters. Loop has 5 letters. [2021-11-19 04:51:03,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:51:03,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 14 letters. Loop has 10 letters. [2021-11-19 04:51:03,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:51:03,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-11-19 04:51:03,779 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 04:51:03,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-11-19 04:51:03,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-19 04:51:03,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-19 04:51:03,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-19 04:51:03,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:51:03,780 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 04:51:03,780 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 04:51:03,780 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 04:51:03,780 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-19 04:51:03,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-19 04:51:03,781 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 04:51:03,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-19 04:51:03,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 04:51:03 BoogieIcfgContainer [2021-11-19 04:51:03,789 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-19 04:51:03,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:51:03,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:51:03,790 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:51:03,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:53" (3/4) ... [2021-11-19 04:51:03,794 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 04:51:03,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:51:03,795 INFO L158 Benchmark]: Toolchain (without parser) took 11364.52ms. Allocated memory was 98.6MB in the beginning and 146.8MB in the end (delta: 48.2MB). Free memory was 75.4MB in the beginning and 103.7MB in the end (delta: -28.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-19 04:51:03,795 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 75.8MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:51:03,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.28ms. Allocated memory is still 98.6MB. Free memory was 75.2MB in the beginning and 59.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-19 04:51:03,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.63ms. Allocated memory is still 98.6MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:51:03,797 INFO L158 Benchmark]: Boogie Preprocessor took 28.99ms. Allocated memory is still 98.6MB. Free memory was 57.3MB in the beginning and 56.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:51:03,797 INFO L158 Benchmark]: RCFGBuilder took 493.14ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 56.0MB in the beginning and 96.4MB in the end (delta: -40.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-19 04:51:03,798 INFO L158 Benchmark]: BuchiAutomizer took 10128.93ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 96.4MB in the beginning and 104.7MB in the end (delta: -8.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-11-19 04:51:03,798 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 103.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:51:03,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 75.8MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.28ms. Allocated memory is still 98.6MB. Free memory was 75.2MB in the beginning and 59.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.63ms. Allocated memory is still 98.6MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.99ms. Allocated memory is still 98.6MB. Free memory was 57.3MB in the beginning and 56.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 493.14ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 56.0MB in the beginning and 96.4MB in the end (delta: -40.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 10128.93ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 96.4MB in the beginning and 104.7MB in the end (delta: -8.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 103.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function length1 + -1 * s1 and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.0s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 8.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 306 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 193 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 113 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital204 mio100 ax111 hnf99 lsp81 ukn77 mio100 lsp48 div100 bol100 ite100 ukn100 eq178 hnf90 smp97 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 6 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2021-11-19 04:51:03,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453e7682-1d11-494c-9178-97f50723df2a/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE