./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strcasecmp.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcasecmp.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt --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 64bit --witnessprinter.graph.data.programhash 1c2f9d054b4fbf31aaebd626db3028f09e8a957b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:39:54,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:39:54,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:39:54,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:39:54,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:39:54,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:39:54,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:39:54,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:39:54,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:39:54,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:39:54,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:39:54,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:39:54,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:39:54,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:39:54,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:39:54,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:39:54,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:39:54,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:39:54,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:39:54,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:39:54,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:39:54,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:39:54,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:39:54,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:39:54,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:39:54,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:39:54,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:39:54,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:39:54,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:39:54,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:39:54,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:39:54,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:39:54,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:39:54,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:39:54,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:39:54,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:39:54,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:39:54,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:39:54,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:39:54,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:39:54,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:39:54,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:39:54,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:39:54,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:39:54,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:39:54,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:39:54,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:39:54,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:39:54,360 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:39:54,361 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:39:54,361 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:39:54,361 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:39:54,362 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:39:54,362 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:39:54,370 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:39:54,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:39:54,371 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:39:54,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:39:54,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:39:54,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:39:54,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:39:54,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:39:54,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:39:54,373 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:39:54,373 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:39:54,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:39:54,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:39:54,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:39:54,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:39:54,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:39:54,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:39:54,379 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:39:54,380 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_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c2f9d054b4fbf31aaebd626db3028f09e8a957b [2021-10-13 00:39:54,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:39:54,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:39:54,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:39:54,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:39:54,688 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:39:54,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-dietlibc/strcasecmp.i [2021-10-13 00:39:54,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/data/a9da94477/46fa247733a342248e974525bae066ae/FLAG64c9cbb9c [2021-10-13 00:39:55,346 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:39:55,347 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/sv-benchmarks/c/termination-dietlibc/strcasecmp.i [2021-10-13 00:39:55,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/data/a9da94477/46fa247733a342248e974525bae066ae/FLAG64c9cbb9c [2021-10-13 00:39:55,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/data/a9da94477/46fa247733a342248e974525bae066ae [2021-10-13 00:39:55,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:39:55,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:39:55,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:39:55,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:39:55,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:39:55,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:55" (1/1) ... [2021-10-13 00:39:55,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ebc7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:55, skipping insertion in model container [2021-10-13 00:39:55,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:55" (1/1) ... [2021-10-13 00:39:55,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:39:55,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:39:56,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:39:56,027 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:39:56,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:39:56,129 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:39:56,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56 WrapperNode [2021-10-13 00:39:56,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:39:56,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:39:56,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:39:56,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:39:56,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56" (1/1) ... [2021-10-13 00:39:56,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56" (1/1) ... [2021-10-13 00:39:56,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:39:56,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:39:56,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:39:56,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:39:56,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56" (1/1) ... [2021-10-13 00:39:56,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56" (1/1) ... [2021-10-13 00:39:56,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56" (1/1) ... [2021-10-13 00:39:56,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56" (1/1) ... [2021-10-13 00:39:56,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56" (1/1) ... [2021-10-13 00:39:56,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56" (1/1) ... [2021-10-13 00:39:56,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56" (1/1) ... [2021-10-13 00:39:56,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:39:56,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:39:56,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:39:56,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:39:56,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56" (1/1) ... [2021-10-13 00:39:56,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:56,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:56,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:56,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:39:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:39:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:39:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:39:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:39:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:39:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:39:56,532 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:39:56,532 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:39:56,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:39:56 BoogieIcfgContainer [2021-10-13 00:39:56,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:39:56,535 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:39:56,536 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:39:56,539 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:39:56,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:39:56,540 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:39:55" (1/3) ... [2021-10-13 00:39:56,541 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c6133ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:39:56, skipping insertion in model container [2021-10-13 00:39:56,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:39:56,541 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:56" (2/3) ... [2021-10-13 00:39:56,542 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c6133ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:39:56, skipping insertion in model container [2021-10-13 00:39:56,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:39:56,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:39:56" (3/3) ... [2021-10-13 00:39:56,543 INFO L389 chiAutomizerObserver]: Analyzing ICFG strcasecmp.i [2021-10-13 00:39:56,585 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:39:56,586 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:39:56,586 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:39:56,586 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:39:56,586 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:39:56,587 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:39:56,587 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:39:56,587 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:39:56,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) [2021-10-13 00:39:56,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 00:39:56,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:56,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:56,652 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:39:56,652 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:56,652 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:39:56,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) [2021-10-13 00:39:56,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 00:39:56,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:56,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:56,658 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:39:56,658 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:56,664 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~ret10, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet6;havoc main_#t~nondet6; 11#L523true assume !(main_~in_len~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet8;havoc main_#t~nondet8; 10#L527true assume !(main_~out_len~0 < 1);call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcasecmp_#in~s1.base, strcasecmp_#in~s1.offset, strcasecmp_#in~s2.base, strcasecmp_#in~s2.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcasecmp_#res;havoc strcasecmp_#t~mem2, strcasecmp_#t~mem3, strcasecmp_#t~post4.base, strcasecmp_#t~post4.offset, strcasecmp_#t~post5.base, strcasecmp_#t~post5.offset, strcasecmp_~s1.base, strcasecmp_~s1.offset, strcasecmp_~s2.base, strcasecmp_~s2.offset, strcasecmp_~x2~0, strcasecmp_~x1~0;strcasecmp_~s1.base, strcasecmp_~s1.offset := strcasecmp_#in~s1.base, strcasecmp_#in~s1.offset;strcasecmp_~s2.base, strcasecmp_~s2.offset := strcasecmp_#in~s2.base, strcasecmp_#in~s2.offset;havoc strcasecmp_~x2~0;havoc strcasecmp_~x1~0; 8#L510-2true [2021-10-13 00:39:56,665 INFO L793 eck$LassoCheckResult]: Loop: 8#L510-2true assume !false;call strcasecmp_#t~mem2 := read~int(strcasecmp_~s2.base, strcasecmp_~s2.offset, 1);strcasecmp_~x2~0 := strcasecmp_#t~mem2 - 65;havoc strcasecmp_#t~mem2; 5#L511true assume strcasecmp_~x2~0 % 4294967296 < 26;strcasecmp_~x2~0 := 32 + strcasecmp_~x2~0; 13#L511-2true call strcasecmp_#t~mem3 := read~int(strcasecmp_~s1.base, strcasecmp_~s1.offset, 1);strcasecmp_~x1~0 := strcasecmp_#t~mem3 - 65;havoc strcasecmp_#t~mem3; 15#L512true assume !(strcasecmp_~x1~0 % 4294967296 < 26); 6#L512-2true strcasecmp_#t~post4.base, strcasecmp_#t~post4.offset := strcasecmp_~s1.base, strcasecmp_~s1.offset;strcasecmp_~s1.base, strcasecmp_~s1.offset := strcasecmp_#t~post4.base, 1 + strcasecmp_#t~post4.offset;havoc strcasecmp_#t~post4.base, strcasecmp_#t~post4.offset;strcasecmp_#t~post5.base, strcasecmp_#t~post5.offset := strcasecmp_~s2.base, strcasecmp_~s2.offset;strcasecmp_~s2.base, strcasecmp_~s2.offset := strcasecmp_#t~post5.base, 1 + strcasecmp_#t~post5.offset;havoc strcasecmp_#t~post5.base, strcasecmp_#t~post5.offset; 14#L514true assume !(strcasecmp_~x2~0 % 4294967296 != strcasecmp_~x1~0 % 4294967296); 16#L516true assume !(4294967231 == strcasecmp_~x1~0 % 4294967296); 8#L510-2true [2021-10-13 00:39:56,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:56,670 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-13 00:39:56,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:56,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69330005] [2021-10-13 00:39:56,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:56,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:56,881 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:56,990 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:57,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:57,002 INFO L82 PathProgramCache]: Analyzing trace with hash -380472609, now seen corresponding path program 1 times [2021-10-13 00:39:57,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:57,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580886717] [2021-10-13 00:39:57,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:57,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:57,037 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:57,079 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:57,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:57,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1579348248, now seen corresponding path program 1 times [2021-10-13 00:39:57,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:57,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952454322] [2021-10-13 00:39:57,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:57,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:57,195 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:57,302 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:58,233 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:58,234 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:58,234 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:58,235 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:58,235 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:39:58,235 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:58,235 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:58,235 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:58,235 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcasecmp.i_Iteration1_Lasso [2021-10-13 00:39:58,236 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:58,236 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:58,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:58,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:59,469 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:59,473 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:39:59,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:59,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:59,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:59,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:39:59,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:59,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:59,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:59,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:59,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:59,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:59,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:59,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:59,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:59,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-13 00:39:59,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:59,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:59,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:59,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:39:59,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:59,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:59,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:59,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:59,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:59,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:59,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:59,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:59,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:59,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-13 00:39:59,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:59,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:59,613 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:59,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:39:59,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:59,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:59,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:59,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:59,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:59,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:59,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:59,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:59,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:59,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:59,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:59,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:59,651 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:59,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:39:59,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:59,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:59,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:59,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:59,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:59,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:59,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:59,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:59,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:59,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:59,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:59,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:59,699 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:59,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:39:59,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:59,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:59,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:59,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:59,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:59,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:39:59,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:39:59,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:59,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:59,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:59,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:59,788 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:59,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:59,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:59,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:59,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:59,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:59,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:59,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:59,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:59,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:39:59,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:59,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:59,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:59,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:59,863 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:59,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:39:59,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:59,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:59,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:59,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:59,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:59,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:39:59,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:39:59,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:59,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:59,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:59,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:59,948 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:59,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:39:59,963 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 [2021-10-13 00:39:59,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:59,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:59,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:59,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:59,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:39:59,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:39:59,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:00,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-13 00:40:00,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:00,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:00,015 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:00,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:40:00,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:40:00,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:00,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:00,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:00,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:00,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:00,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:00,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:00,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:00,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:00,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:00,087 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:00,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:40:00,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:00,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:00,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:00,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:00,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:00,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:00,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:40:00,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:00,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:00,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:00,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:00,171 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:00,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:40:00,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:00,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:00,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:00,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:00,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:00,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:00,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:40:00,225 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:40:00,270 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-13 00:40:00,270 INFO L444 ModelExtractionUtils]: 27 out of 49 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-10-13 00:40:00,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:00,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:00,273 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:00,307 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:40:00,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:40:00,329 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:40:00,329 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:40:00,330 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_1, ULTIMATE.start_strcasecmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_1 - 1*ULTIMATE.start_strcasecmp_~s1.offset Supporting invariants [] [2021-10-13 00:40:00,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:00,505 INFO L297 tatePredicateManager]: 16 out of 18 supporting invariants were superfluous and have been removed [2021-10-13 00:40:00,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:00,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-13 00:40:00,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:00,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-13 00:40:00,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:00,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:00,867 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-13 00:40:00,869 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:40:00,946 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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). Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 49 transitions. Complement of second has 9 states. [2021-10-13 00:40:00,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:40:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:40:00,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2021-10-13 00:40:00,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 4 letters. Loop has 7 letters. [2021-10-13 00:40:00,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:00,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 11 letters. Loop has 7 letters. [2021-10-13 00:40:00,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:00,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 4 letters. Loop has 14 letters. [2021-10-13 00:40:00,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:00,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2021-10-13 00:40:00,961 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:40:00,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2021-10-13 00:40:00,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:40:00,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:40:00,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:40:00,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:00,966 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:40:00,966 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:40:00,966 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:40:00,966 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:40:00,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:40:00,966 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:40:00,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:40:00,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:40:00 BoogieIcfgContainer [2021-10-13 00:40:00,972 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:40:00,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:40:00,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:40:00,973 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:40:00,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:39:56" (3/4) ... [2021-10-13 00:40:00,976 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:40:00,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:40:00,978 INFO L168 Benchmark]: Toolchain (without parser) took 5305.10 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 63.0 MB in the beginning and 82.2 MB in the end (delta: -19.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:00,979 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 96.5 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:00,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.36 ms. Allocated memory is still 96.5 MB. Free memory was 62.8 MB in the beginning and 66.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:00,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.93 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 64.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:00,985 INFO L168 Benchmark]: Boogie Preprocessor took 49.39 ms. Allocated memory is still 96.5 MB. Free memory was 64.7 MB in the beginning and 63.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:00,986 INFO L168 Benchmark]: RCFGBuilder took 290.01 ms. Allocated memory is still 96.5 MB. Free memory was 63.4 MB in the beginning and 53.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:00,986 INFO L168 Benchmark]: BuchiAutomizer took 4436.76 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 53.0 MB in the beginning and 82.2 MB in the end (delta: -29.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:00,987 INFO L168 Benchmark]: Witness Printer took 3.50 ms. Allocated memory is still 119.5 MB. Free memory is still 82.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:00,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 96.5 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 456.36 ms. Allocated memory is still 96.5 MB. Free memory was 62.8 MB in the beginning and 66.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.93 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 64.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.39 ms. Allocated memory is still 96.5 MB. Free memory was 64.7 MB in the beginning and 63.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 290.01 ms. Allocated memory is still 96.5 MB. Free memory was 63.4 MB in the beginning and 53.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4436.76 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 53.0 MB in the beginning and 82.2 MB in the end (delta: -29.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.50 ms. Allocated memory is still 119.5 MB. Free memory is still 82.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s1 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 24 SDslu, 18 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital223 mio100 ax100 hnf100 lsp97 ukn90 mio100 lsp44 div157 bol100 ite100 ukn100 eq148 hnf73 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 9 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:40:01,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47834ea7-8bd7-4934-9ab1-8665b471eb27/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...