./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.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_981961b7-c6ab-41ba-91e3-ad5aa9d48739/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i -s /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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 63816408f16166958351bc134d9ad3d8551cdcd0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:56:53,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:56:53,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:56:53,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:56:53,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:56:53,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:56:53,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:56:53,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:56:53,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:56:53,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:56:53,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:56:53,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:56:53,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:56:53,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:56:53,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:56:53,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:56:53,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:56:53,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:56:53,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:56:53,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:56:53,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:56:53,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:56:53,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:56:53,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:56:53,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:56:53,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:56:53,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:56:53,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:56:53,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:56:53,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:56:53,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:56:53,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:56:53,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:56:53,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:56:53,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:56:53,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:56:53,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:56:53,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:56:53,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:56:53,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:56:53,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:56:53,586 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:56:53,628 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:56:53,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:56:53,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:56:53,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:56:53,632 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:56:53,632 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:56:53,632 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:56:53,632 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:56:53,633 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:56:53,633 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:56:53,633 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:56:53,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:56:53,634 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:56:53,634 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:56:53,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:56:53,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:56:53,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:56:53,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:56:53,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:56:53,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:56:53,635 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:56:53,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:56:53,636 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:56:53,636 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:56:53,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:56:53,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:56:53,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:56:53,637 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:56:53,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:56:53,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:56:53,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:56:53,638 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:56:53,640 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:56:53,640 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_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63816408f16166958351bc134d9ad3d8551cdcd0 [2020-11-30 00:56:53,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:56:54,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:56:54,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:56:54,035 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:56:54,046 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:56:54,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/bin/uautomizer/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2020-11-30 00:56:54,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/bin/uautomizer/data/7603c6c77/31eb0384b2b84d3aae51408870b2e36b/FLAG68ae0fa57 [2020-11-30 00:56:54,805 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:56:54,805 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2020-11-30 00:56:54,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/bin/uautomizer/data/7603c6c77/31eb0384b2b84d3aae51408870b2e36b/FLAG68ae0fa57 [2020-11-30 00:56:55,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/bin/uautomizer/data/7603c6c77/31eb0384b2b84d3aae51408870b2e36b [2020-11-30 00:56:55,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:56:55,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:56:55,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:56:55,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:56:55,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:56:55,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687a44bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55, skipping insertion in model container [2020-11-30 00:56:55,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:56:55,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:56:55,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:56:55,498 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:56:55,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:56:55,543 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:56:55,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55 WrapperNode [2020-11-30 00:56:55,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:56:55,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:56:55,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:56:55,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:56:55,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:56:55,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:56:55,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:56:55,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:56:55,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:56:55,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:56:55,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:56:55,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:56:55,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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 [2020-11-30 00:56:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:56:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:56:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:56:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:56:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:56:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:56:56,188 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:56:56,199 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-30 00:56:56,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:56:56 BoogieIcfgContainer [2020-11-30 00:56:56,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:56:56,204 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:56:56,211 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:56:56,216 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:56:56,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:56:56,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:56:55" (1/3) ... [2020-11-30 00:56:56,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69fff267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:56:56, skipping insertion in model container [2020-11-30 00:56:56,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:56:56,221 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (2/3) ... [2020-11-30 00:56:56,222 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69fff267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:56:56, skipping insertion in model container [2020-11-30 00:56:56,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:56:56,222 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:56:56" (3/3) ... [2020-11-30 00:56:56,224 INFO L373 chiAutomizerObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2020-11-30 00:56:56,346 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:56:56,346 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:56:56,346 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:56:56,346 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:56:56,347 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:56:56,347 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:56:56,347 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:56:56,347 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:56:56,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-30 00:56:56,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-11-30 00:56:56,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:56:56,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:56:56,417 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:56:56,418 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-30 00:56:56,418 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:56:56,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-30 00:56:56,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-11-30 00:56:56,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:56:56,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:56:56,424 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:56:56,424 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-30 00:56:56,434 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(27);~tmp~0.base, ~tmp~0.offset := 0, 0; 8#L-1true havoc main_#res;havoc main_#t~ret4, main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;call main_~#pathbuf~0.base, main_~#pathbuf~0.offset := #Ultimate.allocOnStack(8);main_~bound~0.base, main_~bound~0.offset := main_~#pathbuf~0.base, 8 + main_~#pathbuf~0.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0.base, 8 + main_~#pathbuf~0.offset - 4;glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset, glob2_#in~pathlim.base, glob2_#in~pathlim.offset := main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;havoc glob2_#res;havoc glob2_#t~post3.base, glob2_#t~post3.offset, glob2_~pathbuf.base, glob2_~pathbuf.offset, glob2_~pathlim.base, glob2_~pathlim.offset, glob2_~p~0.base, glob2_~p~0.offset;glob2_~pathbuf.base, glob2_~pathbuf.offset := glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset;glob2_~pathlim.base, glob2_~pathlim.offset := glob2_#in~pathlim.base, glob2_#in~pathlim.offset;havoc glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_~pathbuf.base, glob2_~pathbuf.offset; 17#L29-4true [2020-11-30 00:56:56,434 INFO L796 eck$LassoCheckResult]: Loop: 17#L29-4true assume glob2_~p~0.base == glob2_~pathlim.base; 7#L29-1true assume !!(glob2_~p~0.offset <= glob2_~pathlim.offset);assume glob2_~p~0.base == ~tmp~0.base;__VERIFIER_assert_#in~cond := (if glob2_~p~0.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 3#L15true assume !(0 == __VERIFIER_assert_~cond); 13#L15-2true call write~int(1, glob2_~p~0.base, glob2_~p~0.offset, 4); 4#L29-3true glob2_#t~post3.base, glob2_#t~post3.offset := glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_#t~post3.base, 4 + glob2_#t~post3.offset;havoc glob2_#t~post3.base, glob2_#t~post3.offset; 17#L29-4true [2020-11-30 00:56:56,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:56:56,455 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-30 00:56:56,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:56:56,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339100010] [2020-11-30 00:56:56,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:56:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:56:56,663 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:56:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:56:56,724 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:56:56,763 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:56:56,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:56:56,770 INFO L82 PathProgramCache]: Analyzing trace with hash 34522901, now seen corresponding path program 1 times [2020-11-30 00:56:56,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:56:56,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775579145] [2020-11-30 00:56:56,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:56:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:56:56,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:56:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:56:56,849 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:56:56,853 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:56:56,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:56:56,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1805962387, now seen corresponding path program 1 times [2020-11-30 00:56:56,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:56:56,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000195108] [2020-11-30 00:56:56,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:56:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:56:56,908 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:56:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:56:56,962 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:56:56,983 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:56:57,369 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-11-30 00:56:57,873 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2020-11-30 00:56:58,196 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-30 00:56:58,215 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:56:58,216 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:56:58,216 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:56:58,216 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:56:58,217 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:56:58,217 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:56:58,217 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:56:58,218 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:56:58,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_NetBSD-libc_loop.i_Iteration1_Lasso [2020-11-30 00:56:58,218 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:56:58,219 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:56:58,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:56:58,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:56:58,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:56:58,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:56:58,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:56:58,770 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2020-11-30 00:56:58,928 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-11-30 00:56:58,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:56:58,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:56:58,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:56:58,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:56:58,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:56:59,765 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:56:59,772 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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) [2020-11-30 00:56:59,784 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 [2020-11-30 00:56:59,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:56:59,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:56:59,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:56:59,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:56:59,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:56:59,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:56:59,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:56:59,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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 [2020-11-30 00:56:59,838 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 [2020-11-30 00:56:59,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:56:59,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:56:59,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:56:59,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:56:59,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:56:59,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:56:59,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:56:59,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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 [2020-11-30 00:56:59,893 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 [2020-11-30 00:56:59,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:56:59,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:56:59,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:56:59,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:56:59,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:56:59,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:56:59,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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 [2020-11-30 00:56:59,944 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 [2020-11-30 00:56:59,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:56:59,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:56:59,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:56:59,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:56:59,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:56:59,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:56:59,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:56:59,961 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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 [2020-11-30 00:56:59,995 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 [2020-11-30 00:56:59,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:56:59,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:56:59,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:56:59,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:56:59,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:56:59,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:56:59,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:57:00,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:57:00,035 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 [2020-11-30 00:57:00,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:57:00,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:57:00,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:57:00,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:57:00,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:57:00,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:57:00,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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 [2020-11-30 00:57:00,133 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 [2020-11-30 00:57:00,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:57:00,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:57:00,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:57:00,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:57:00,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:57:00,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:57:00,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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) [2020-11-30 00:57:00,215 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 [2020-11-30 00:57:00,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:57:00,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:57:00,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:57:00,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:57:00,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:57:00,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:57:00,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:57:00,266 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 [2020-11-30 00:57:00,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:57:00,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:57:00,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:57:00,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:57:00,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:57:00,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:57:00,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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 [2020-11-30 00:57:00,341 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 [2020-11-30 00:57:00,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:57:00,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:57:00,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:57:00,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:57:00,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:57:00,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:57:00,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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) [2020-11-30 00:57:00,408 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 [2020-11-30 00:57:00,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:57:00,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:57:00,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:57:00,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:57:00,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:57:00,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:57:00,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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) [2020-11-30 00:57:00,483 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 [2020-11-30 00:57:00,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:57:00,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:57:00,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:57:00,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:57:00,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:57:00,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:57:00,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:57:00,530 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 [2020-11-30 00:57:00,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:57:00,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:57:00,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:57:00,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:57:00,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:57:00,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:57:00,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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) [2020-11-30 00:57:00,627 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 [2020-11-30 00:57:00,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:57:00,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:57:00,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:57:00,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:57:00,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:57:00,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:57:00,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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) [2020-11-30 00:57:00,706 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 [2020-11-30 00:57:00,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:57:00,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:57:00,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:57:00,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:57:00,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:57:00,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:57:00,753 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:57:00,968 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-11-30 00:57:00,968 INFO L444 ModelExtractionUtils]: 11 out of 37 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_981961b7-c6ab-41ba-91e3-ad5aa9d48739/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) [2020-11-30 00:57:00,976 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 00:57:00,980 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 00:57:00,981 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:57:00,981 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~p~0.offset, ULTIMATE.start_glob2_~pathlim.offset) = -1*ULTIMATE.start_glob2_~p~0.offset + 2*ULTIMATE.start_glob2_~pathlim.offset + 2 Supporting invariants [] Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:57:01,080 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-11-30 00:57:01,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:57:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:01,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:57:01,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:57:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:01,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:57:01,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:57:01,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:01,256 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-30 00:57:01,257 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 5 states. [2020-11-30 00:57:01,322 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 5 states. Result 39 states and 47 transitions. Complement of second has 9 states. [2020-11-30 00:57:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-30 00:57:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 00:57:01,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. [2020-11-30 00:57:01,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 5 letters. [2020-11-30 00:57:01,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:57:01,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 7 letters. Loop has 5 letters. [2020-11-30 00:57:01,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:57:01,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 10 letters. [2020-11-30 00:57:01,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:57:01,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 47 transitions. [2020-11-30 00:57:01,334 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:57:01,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2020-11-30 00:57:01,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:57:01,339 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:57:01,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:57:01,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:57:01,340 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:57:01,340 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:57:01,340 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:57:01,340 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:57:01,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:57:01,341 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:57:01,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:57:01,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:57:01 BoogieIcfgContainer [2020-11-30 00:57:01,348 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:57:01,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:57:01,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:57:01,349 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:57:01,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:56:56" (3/4) ... [2020-11-30 00:57:01,358 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:57:01,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:57:01,360 INFO L168 Benchmark]: Toolchain (without parser) took 6179.63 ms. Allocated memory was 104.9 MB in the beginning and 142.6 MB in the end (delta: 37.7 MB). Free memory was 70.4 MB in the beginning and 62.1 MB in the end (delta: 8.3 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:01,362 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 77.6 MB. Free memory was 34.5 MB in the beginning and 34.4 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:57:01,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.24 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 79.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:01,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.02 ms. Allocated memory is still 104.9 MB. Free memory was 79.3 MB in the beginning and 77.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:01,369 INFO L168 Benchmark]: Boogie Preprocessor took 33.55 ms. Allocated memory is still 104.9 MB. Free memory was 77.7 MB in the beginning and 76.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:57:01,370 INFO L168 Benchmark]: RCFGBuilder took 572.42 ms. Allocated memory is still 104.9 MB. Free memory was 76.7 MB in the beginning and 64.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:01,371 INFO L168 Benchmark]: BuchiAutomizer took 5144.13 ms. Allocated memory was 104.9 MB in the beginning and 142.6 MB in the end (delta: 37.7 MB). Free memory was 64.1 MB in the beginning and 63.2 MB in the end (delta: 939.2 kB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:01,374 INFO L168 Benchmark]: Witness Printer took 10.10 ms. Allocated memory is still 142.6 MB. Free memory was 63.2 MB in the beginning and 62.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:01,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 ms. Allocated memory is still 77.6 MB. Free memory was 34.5 MB in the beginning and 34.4 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 362.24 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 79.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.02 ms. Allocated memory is still 104.9 MB. Free memory was 79.3 MB in the beginning and 77.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.55 ms. Allocated memory is still 104.9 MB. Free memory was 77.7 MB in the beginning and 76.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 572.42 ms. Allocated memory is still 104.9 MB. Free memory was 76.7 MB in the beginning and 64.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5144.13 ms. Allocated memory was 104.9 MB in the beginning and 142.6 MB in the end (delta: 37.7 MB). Free memory was 64.1 MB in the beginning and 63.2 MB in the end (delta: 939.2 kB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. * Witness Printer took 10.10 ms. Allocated memory is still 142.6 MB. Free memory was 63.2 MB in the beginning and 62.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + 2 * pathlim + 2 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 11 SDslu, 16 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax100 hnf100 lsp92 ukn80 mio100 lsp42 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...