./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer --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 5731971c09a136eb079f9cbecfc34cb6e82f7a1b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:44:44,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:44:44,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:44:45,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:44:45,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:44:45,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:44:45,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:44:45,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:44:45,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:44:45,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:44:45,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:44:45,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:44:45,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:44:45,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:44:45,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:44:45,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:44:45,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:44:45,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:44:45,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:44:45,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:44:45,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:44:45,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:44:45,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:44:45,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:44:45,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:44:45,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:44:45,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:44:45,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:44:45,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:44:45,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:44:45,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:44:45,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:44:45,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:44:45,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:44:45,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:44:45,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:44:45,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:44:45,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:44:45,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:44:45,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:44:45,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:44:45,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:44:45,192 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:44:45,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:44:45,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:44:45,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:44:45,196 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:44:45,196 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:44:45,196 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:44:45,197 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:44:45,197 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:44:45,197 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:44:45,199 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:44:45,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:44:45,199 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:44:45,200 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:44:45,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:44:45,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:44:45,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:44:45,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:44:45,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:44:45,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:44:45,202 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:44:45,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:44:45,202 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:44:45,203 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:44:45,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:44:45,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:44:45,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:44:45,204 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:44:45,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:44:45,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:44:45,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:44:45,205 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:44:45,207 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:44:45,207 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-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5731971c09a136eb079f9cbecfc34cb6e82f7a1b [2020-11-29 20:44:45,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:44:45,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:44:45,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:44:45,649 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:44:45,651 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:44:45,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2020-11-29 20:44:45,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/data/dd1fc3582/dcffc7fbedf04dad9f96c1ca02fb3d39/FLAGeb7fb126e [2020-11-29 20:44:46,513 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:44:46,516 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2020-11-29 20:44:46,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/data/dd1fc3582/dcffc7fbedf04dad9f96c1ca02fb3d39/FLAGeb7fb126e [2020-11-29 20:44:46,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/data/dd1fc3582/dcffc7fbedf04dad9f96c1ca02fb3d39 [2020-11-29 20:44:46,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:44:46,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:44:46,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:44:46,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:44:46,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:44:46,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:44:46" (1/1) ... [2020-11-29 20:44:46,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@517c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:46, skipping insertion in model container [2020-11-29 20:44:46,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:44:46" (1/1) ... [2020-11-29 20:44:46,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:44:46,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:44:47,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:44:47,351 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:44:47,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:44:47,505 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:44:47,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47 WrapperNode [2020-11-29 20:44:47,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:44:47,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:44:47,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:44:47,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:44:47,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47" (1/1) ... [2020-11-29 20:44:47,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47" (1/1) ... [2020-11-29 20:44:47,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:44:47,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:44:47,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:44:47,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:44:47,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47" (1/1) ... [2020-11-29 20:44:47,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47" (1/1) ... [2020-11-29 20:44:47,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47" (1/1) ... [2020-11-29 20:44:47,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47" (1/1) ... [2020-11-29 20:44:47,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47" (1/1) ... [2020-11-29 20:44:47,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47" (1/1) ... [2020-11-29 20:44:47,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47" (1/1) ... [2020-11-29 20:44:47,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:44:47,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:44:47,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:44:47,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:44:47,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:47,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:44:47,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:44:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:44:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:44:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:44:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:44:48,122 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:44:48,123 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 20:44:48,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:44:48 BoogieIcfgContainer [2020-11-29 20:44:48,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:44:48,138 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:44:48,138 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:44:48,150 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:44:48,151 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:44:48,151 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:44:46" (1/3) ... [2020-11-29 20:44:48,155 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e8a1699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:44:48, skipping insertion in model container [2020-11-29 20:44:48,155 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:44:48,155 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:44:47" (2/3) ... [2020-11-29 20:44:48,156 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e8a1699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:44:48, skipping insertion in model container [2020-11-29 20:44:48,156 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:44:48,156 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:44:48" (3/3) ... [2020-11-29 20:44:48,157 INFO L373 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-2.i [2020-11-29 20:44:48,234 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:44:48,235 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:44:48,235 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:44:48,235 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:44:48,235 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:44:48,235 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:44:48,235 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:44:48,235 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:44:48,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-29 20:44:48,266 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-11-29 20:44:48,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:44:48,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:44:48,274 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 20:44:48,274 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:44:48,274 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:44:48,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-29 20:44:48,276 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-11-29 20:44:48,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:44:48,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:44:48,277 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 20:44:48,277 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:44:48,286 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 7#L523true assume !(main_~length1~0 < 1); 11#L523-2true assume !(main_~length2~0 < 1); 4#L526-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 13#L534-3true [2020-11-29 20:44:48,287 INFO L796 eck$LassoCheckResult]: Loop: 13#L534-3true assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 10#L534-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 13#L534-3true [2020-11-29 20:44:48,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:44:48,294 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2020-11-29 20:44:48,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:44:48,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83719906] [2020-11-29 20:44:48,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:44:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:48,424 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:48,445 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:48,468 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:44:48,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:44:48,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2020-11-29 20:44:48,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:44:48,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217309909] [2020-11-29 20:44:48,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:44:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:48,484 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:48,494 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:48,497 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:44:48,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:44:48,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2020-11-29 20:44:48,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:44:48,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755730256] [2020-11-29 20:44:48,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:44:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:48,528 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:48,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:48,561 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:44:48,909 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-11-29 20:44:49,051 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:44:49,055 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:44:49,055 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:44:49,055 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:44:49,055 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:44:49,055 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:49,056 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:44:49,056 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:44:49,056 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration1_Lasso [2020-11-29 20:44:49,057 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:44:49,057 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:44:49,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,360 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-11-29 20:44:49,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:49,893 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:44:49,902 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:49,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:49,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:49,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:49,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:49,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:49,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:49,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:44:49,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:49,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:49,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:49,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:49,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:49,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:49,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:49,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:49,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:44:49,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:50,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:50,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:44:50,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:50,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:50,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:44:50,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:50,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:44:50,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:50,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:50,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:50,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:50,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:44:50,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:50,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:44:50,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:50,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:50,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:50,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:50,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:44:50,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:50,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:50,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:44:50,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:50,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:50,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:50,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:50,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:50,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:44:50,697 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:50,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:44:50,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:50,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:44:50,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:50,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:50,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:50,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:50,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:50,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:50,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:50,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:50,875 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:44:51,124 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-11-29 20:44:51,124 INFO L444 ModelExtractionUtils]: 13 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:51,138 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:51,144 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 20:44:51,144 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:44:51,145 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2020-11-29 20:44:51,215 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2020-11-29 20:44:51,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:44:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:44:51,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:44:51,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:44:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:44:51,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 20:44:51,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:44:51,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:44:51,347 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 [2020-11-29 20:44:51,349 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2020-11-29 20:44:51,407 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 39 states and 50 transitions. Complement of second has 7 states. [2020-11-29 20:44:51,408 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 [2020-11-29 20:44:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 20:44:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2020-11-29 20:44:51,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-29 20:44:51,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:44:51,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 7 letters. Loop has 2 letters. [2020-11-29 20:44:51,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:44:51,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 4 letters. [2020-11-29 20:44:51,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:44:51,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2020-11-29 20:44:51,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 20:44:51,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 12 states and 16 transitions. [2020-11-29 20:44:51,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-29 20:44:51,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-29 20:44:51,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2020-11-29 20:44:51,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:44:51,435 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-11-29 20:44:51,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2020-11-29 20:44:51,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-29 20:44:51,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-29 20:44:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2020-11-29 20:44:51,471 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-11-29 20:44:51,472 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-11-29 20:44:51,472 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:44:51,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2020-11-29 20:44:51,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 20:44:51,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:44:51,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:44:51,475 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:44:51,475 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 20:44:51,475 INFO L794 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 131#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 132#L523 assume !(main_~length1~0 < 1); 133#L523-2 assume !(main_~length2~0 < 1); 134#L526-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 135#L534-3 assume !(main_~i~0 < main_~length2~0 - 1); 136#L534-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 138#L517-4 [2020-11-29 20:44:51,476 INFO L796 eck$LassoCheckResult]: Loop: 138#L517-4 call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 129#L517-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 130#L517-3 cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 138#L517-4 [2020-11-29 20:44:51,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:44:51,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2020-11-29 20:44:51,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:44:51,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246868967] [2020-11-29 20:44:51,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:44:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:51,519 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:51,537 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:51,543 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:44:51,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:44:51,544 INFO L82 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 1 times [2020-11-29 20:44:51,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:44:51,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482754429] [2020-11-29 20:44:51,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:44:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:51,553 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:51,560 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:51,563 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:44:51,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:44:51,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1713552629, now seen corresponding path program 1 times [2020-11-29 20:44:51,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:44:51,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574727793] [2020-11-29 20:44:51,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:44:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:44:51,889 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 9 [2020-11-29 20:44:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:44:51,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574727793] [2020-11-29 20:44:51,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:44:51,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 20:44:51,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889173960] [2020-11-29 20:44:52,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:44:52,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 20:44:52,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-29 20:44:52,020 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 7 states. [2020-11-29 20:44:52,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:44:52,160 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2020-11-29 20:44:52,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 20:44:52,162 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2020-11-29 20:44:52,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 20:44:52,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. [2020-11-29 20:44:52,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-11-29 20:44:52,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-29 20:44:52,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2020-11-29 20:44:52,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:44:52,165 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-11-29 20:44:52,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2020-11-29 20:44:52,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-11-29 20:44:52,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-29 20:44:52,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2020-11-29 20:44:52,167 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-29 20:44:52,167 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-29 20:44:52,167 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 20:44:52,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2020-11-29 20:44:52,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 20:44:52,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:44:52,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:44:52,169 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:44:52,169 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 20:44:52,169 INFO L794 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 177#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 178#L523 assume !(main_~length1~0 < 1); 179#L523-2 assume !(main_~length2~0 < 1); 180#L526-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 181#L534-3 assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 173#L534-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 174#L534-3 assume !(main_~i~0 < main_~length2~0 - 1); 182#L534-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 184#L517-4 [2020-11-29 20:44:52,169 INFO L796 eck$LassoCheckResult]: Loop: 184#L517-4 call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 175#L517-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 176#L517-3 cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 184#L517-4 [2020-11-29 20:44:52,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:44:52,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2020-11-29 20:44:52,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:44:52,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025562615] [2020-11-29 20:44:52,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:44:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:52,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:52,238 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:52,244 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:44:52,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:44:52,245 INFO L82 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 2 times [2020-11-29 20:44:52,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:44:52,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250960931] [2020-11-29 20:44:52,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:44:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:52,265 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:52,270 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:52,285 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:44:52,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:44:52,286 INFO L82 PathProgramCache]: Analyzing trace with hash -894230189, now seen corresponding path program 1 times [2020-11-29 20:44:52,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:44:52,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488520688] [2020-11-29 20:44:52,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:44:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:52,327 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:44:52,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:44:52,377 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:44:52,966 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 94 [2020-11-29 20:44:53,156 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-29 20:44:53,160 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:44:53,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:44:53,161 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:44:53,161 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:44:53,161 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:44:53,161 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:53,161 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:44:53,161 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:44:53,161 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration3_Lasso [2020-11-29 20:44:53,161 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:44:53,161 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:44:53,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,592 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2020-11-29 20:44:53,750 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-11-29 20:44:53,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:53,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:44:54,191 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-11-29 20:44:54,633 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:44:54,638 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:54,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:54,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:54,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:54,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:54,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:54,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:54,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:54,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:54,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:54,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:54,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:54,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:54,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:54,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:54,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:54,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:54,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:54,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:54,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:54,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:54,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:54,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:54,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:54,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:54,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:54,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:44:54,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:54,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:54,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:54,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:54,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:54,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:54,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:54,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:44:54,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:54,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:54,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:54,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:54,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:54,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:54,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:54,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:54,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:54,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:54,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:54,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:54,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:54,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:54,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:54,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:54,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:54,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:55,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:55,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,005 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:55,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:55,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:55,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:55,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,108 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:55,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:55,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:55,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:55,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:55,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:55,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:44:55,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:55,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:55,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,446 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:55,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:44:55,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,558 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 20:44:55,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,559 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 20:44:55,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:55,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:44:55,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:55,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:44:55,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:44:55,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:44:55,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:44:55,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:44:55,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:44:55,790 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:44:55,892 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2020-11-29 20:44:55,892 INFO L444 ModelExtractionUtils]: 11 out of 49 variables were initially zero. Simplification set additionally 35 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d538afc2-11e5-4066-b620-8482c09b7642/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:44:55,895 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:44:55,898 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 20:44:55,899 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:44:55,899 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2, ULTIMATE.start_cstrcpy_~from.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2 - 1*ULTIMATE.start_cstrcpy_~from.offset Supporting invariants [] [2020-11-29 20:44:55,986 INFO L297 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 20:44:55,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 20:44:56,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:44:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:44:56,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 24 conjunts are in the unsatisfiable core [2020-11-29 20:44:56,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:44:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:44:56,098 WARN L261 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-29 20:44:56,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:44:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:44:56,124 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-29 20:44:56,124 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-29 20:44:56,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 5 states. [2020-11-29 20:44:56,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 20:44:56,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 20:44:56,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2020-11-29 20:44:56,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2020-11-29 20:44:56,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:44:56,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2020-11-29 20:44:56,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:44:56,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2020-11-29 20:44:56,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:44:56,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2020-11-29 20:44:56,185 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:44:56,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-11-29 20:44:56,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:44:56,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:44:56,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:44:56,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:44:56,186 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:44:56,186 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:44:56,186 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:44:56,186 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 20:44:56,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:44:56,186 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:44:56,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 20:44:56,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:44:56 BoogieIcfgContainer [2020-11-29 20:44:56,192 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:44:56,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:44:56,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:44:56,193 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:44:56,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:44:48" (3/4) ... [2020-11-29 20:44:56,197 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:44:56,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:44:56,201 INFO L168 Benchmark]: Toolchain (without parser) took 9449.88 ms. Allocated memory was 77.6 MB in the beginning and 157.3 MB in the end (delta: 79.7 MB). Free memory was 44.0 MB in the beginning and 50.6 MB in the end (delta: -6.6 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:44:56,205 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 77.6 MB. Free memory was 57.8 MB in the beginning and 57.8 MB in the end (delta: 26.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:44:56,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.09 ms. Allocated memory was 77.6 MB in the beginning and 107.0 MB in the end (delta: 29.4 MB). Free memory was 43.9 MB in the beginning and 70.5 MB in the end (delta: -26.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:44:56,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.68 ms. Allocated memory is still 107.0 MB. Free memory was 70.1 MB in the beginning and 68.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:44:56,212 INFO L168 Benchmark]: Boogie Preprocessor took 38.45 ms. Allocated memory is still 107.0 MB. Free memory was 68.7 MB in the beginning and 67.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:44:56,212 INFO L168 Benchmark]: RCFGBuilder took 511.77 ms. Allocated memory is still 107.0 MB. Free memory was 67.1 MB in the beginning and 52.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:44:56,215 INFO L168 Benchmark]: BuchiAutomizer took 8054.40 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 52.0 MB in the beginning and 50.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 53.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:44:56,216 INFO L168 Benchmark]: Witness Printer took 4.63 ms. Allocated memory is still 157.3 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:44:56,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 77.6 MB. Free memory was 57.8 MB in the beginning and 57.8 MB in the end (delta: 26.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 758.09 ms. Allocated memory was 77.6 MB in the beginning and 107.0 MB in the end (delta: 29.4 MB). Free memory was 43.9 MB in the beginning and 70.5 MB in the end (delta: -26.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.68 ms. Allocated memory is still 107.0 MB. Free memory was 70.1 MB in the beginning and 68.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.45 ms. Allocated memory is still 107.0 MB. Free memory was 68.7 MB in the beginning and 67.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 511.77 ms. Allocated memory is still 107.0 MB. Free memory was 67.1 MB in the beginning and 52.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8054.40 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 52.0 MB in the beginning and 50.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 53.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.63 ms. Allocated memory is still 157.3 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length2 and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * from and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 7.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 36 SDtfs, 50 SDslu, 45 SDs, 0 SdLazy, 49 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital167 mio100 ax111 hnf98 lsp84 ukn80 mio100 lsp54 div100 bol100 ite100 ukn100 eq180 hnf89 smp99 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...