./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 15:21:47,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:21:47,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:21:47,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:21:47,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:21:47,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:21:47,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:21:47,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:21:47,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:21:47,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:21:47,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:21:47,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:21:47,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:21:47,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:21:47,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:21:47,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:21:47,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:21:47,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:21:47,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:21:47,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:21:47,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:21:47,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:21:47,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:21:47,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:21:47,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:21:47,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:21:47,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:21:47,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:21:47,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:21:47,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:21:47,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:21:47,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:21:47,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:21:47,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:21:47,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:21:47,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:21:47,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:21:47,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:21:47,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:21:47,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:21:47,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:21:47,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:21:47,199 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:21:47,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:21:47,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:21:47,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:21:47,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:21:47,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:21:47,202 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:21:47,202 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:21:47,202 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:21:47,202 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:21:47,203 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:21:47,203 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:21:47,203 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:21:47,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:21:47,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:21:47,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:21:47,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:21:47,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:21:47,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:21:47,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:21:47,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:21:47,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:21:47,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:21:47,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:21:47,204 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:21:47,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:21:47,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:21:47,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:21:47,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:21:47,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:21:47,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:21:47,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:21:47,206 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:21:47,206 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 [2021-08-27 15:21:47,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:21:47,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:21:47,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:21:47,485 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:21:47,485 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:21:47,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-08-27 15:21:47,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64cfefb7e/bab299b9571745c7a31e30cb0a0255e1/FLAGde675f2d6 [2021-08-27 15:21:47,884 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:21:47,885 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-08-27 15:21:47,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64cfefb7e/bab299b9571745c7a31e30cb0a0255e1/FLAGde675f2d6 [2021-08-27 15:21:47,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64cfefb7e/bab299b9571745c7a31e30cb0a0255e1 [2021-08-27 15:21:47,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:21:47,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:21:47,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:21:47,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:21:47,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:21:47,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:21:47" (1/1) ... [2021-08-27 15:21:47,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2469444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:47, skipping insertion in model container [2021-08-27 15:21:47,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:21:47" (1/1) ... [2021-08-27 15:21:47,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:21:47,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:21:48,042 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2021-08-27 15:21:48,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:21:48,066 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:21:48,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2021-08-27 15:21:48,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:21:48,126 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:21:48,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48 WrapperNode [2021-08-27 15:21:48,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:21:48,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:21:48,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:21:48,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:21:48,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48" (1/1) ... [2021-08-27 15:21:48,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48" (1/1) ... [2021-08-27 15:21:48,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:21:48,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:21:48,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:21:48,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:21:48,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48" (1/1) ... [2021-08-27 15:21:48,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48" (1/1) ... [2021-08-27 15:21:48,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48" (1/1) ... [2021-08-27 15:21:48,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48" (1/1) ... [2021-08-27 15:21:48,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48" (1/1) ... [2021-08-27 15:21:48,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48" (1/1) ... [2021-08-27 15:21:48,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48" (1/1) ... [2021-08-27 15:21:48,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:21:48,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:21:48,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:21:48,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:21:48,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48" (1/1) ... [2021-08-27 15:21:48,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:48,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:21:48,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:21:48,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 15:21:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:21:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:21:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:21:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:21:48,614 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:21:48,615 INFO L299 CfgBuilder]: Removed 42 assume(true) statements. [2021-08-27 15:21:48,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:21:48 BoogieIcfgContainer [2021-08-27 15:21:48,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:21:48,617 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:21:48,617 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:21:48,619 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:21:48,619 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:21:48,619 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:21:47" (1/3) ... [2021-08-27 15:21:48,620 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3447a1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:21:48, skipping insertion in model container [2021-08-27 15:21:48,620 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:21:48,620 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:21:48" (2/3) ... [2021-08-27 15:21:48,620 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3447a1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:21:48, skipping insertion in model container [2021-08-27 15:21:48,620 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:21:48,620 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:21:48" (3/3) ... [2021-08-27 15:21:48,621 INFO L389 chiAutomizerObserver]: Analyzing ICFG apache-escape-absolute.i [2021-08-27 15:21:48,647 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:21:48,647 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:21:48,647 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:21:48,647 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:21:48,647 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:21:48,656 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:21:48,656 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:21:48,656 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:21:48,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 70 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 69 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:21:48,678 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 27 [2021-08-27 15:21:48,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:21:48,678 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:21:48,682 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:21:48,682 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-27 15:21:48,682 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:21:48,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 70 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 69 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:21:48,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 27 [2021-08-27 15:21:48,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:21:48,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:21:48,690 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:21:48,690 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-27 15:21:48,694 INFO L791 eck$LassoCheckResult]: Stem: 55#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(9); 43#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~pre8, main_#t~pre9, main_#t~nondet10, main_#t~nondet11, main_#t~pre12, main_#t~pre13, main_~scheme~0, main_~urilen~0, main_~tokenlen~0, main_~cp~0, main_~c~0;havoc main_~scheme~0;havoc main_~urilen~0;havoc main_~tokenlen~0;havoc main_~cp~0;havoc main_~c~0;main_~urilen~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~tokenlen~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~scheme~0 := main_#t~nondet5;havoc main_#t~nondet5; 25#L32true assume !!(main_~urilen~0 <= 1000000 && main_~urilen~0 >= -1000000); 24#L33true assume !!(main_~tokenlen~0 <= 1000000 && main_~tokenlen~0 >= -1000000); 33#L34true assume !!(main_~scheme~0 <= 1000000 && main_~scheme~0 >= -1000000); 53#L35true assume main_~urilen~0 > 0; 45#L35-1true assume main_~tokenlen~0 > 0; 59#L36true assume main_~scheme~0 >= 0; 62#L37true assume !(0 == main_~scheme~0 || main_~urilen~0 - 1 < main_~scheme~0);main_~cp~0 := main_~scheme~0;__VERIFIER_assert_#in~cond := (if main_~cp~0 - 1 < main_~urilen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 30#L18true assume !(0 == __VERIFIER_assert_~cond); 49#L18-2true __VERIFIER_assert_#in~cond := (if 0 <= main_~cp~0 - 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 51#L18-3true assume !(0 == __VERIFIER_assert_~cond); 4#L18-5true assume 0 != main_#t~nondet6;havoc main_#t~nondet6;__VERIFIER_assert_#in~cond := (if main_~cp~0 < main_~urilen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 50#L18-6true assume !(0 == __VERIFIER_assert_~cond); 44#L18-8true __VERIFIER_assert_#in~cond := (if 0 <= main_~cp~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 64#L18-9true assume !(0 == __VERIFIER_assert_~cond); 66#L47-1true [2021-08-27 15:21:48,695 INFO L793 eck$LassoCheckResult]: Loop: 66#L47-1true assume !!(main_~cp~0 != main_~urilen~0 - 1); 19#L48true assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;__VERIFIER_assert_#in~cond := (if main_~cp~0 < main_~urilen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 11#L18-12true assume !(0 == __VERIFIER_assert_~cond); 27#L18-14true __VERIFIER_assert_#in~cond := (if 0 <= main_~cp~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 22#L18-15true assume !(0 == __VERIFIER_assert_~cond); 34#L18-17true main_#t~pre8 := 1 + main_~cp~0;main_~cp~0 := 1 + main_~cp~0;havoc main_#t~pre8; 66#L47-1true [2021-08-27 15:21:48,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:21:48,698 INFO L82 PathProgramCache]: Analyzing trace with hash 642350381, now seen corresponding path program 1 times [2021-08-27 15:21:48,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:21:48,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822155433] [2021-08-27 15:21:48,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:21:48,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:21:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:21:48,768 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:21:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:21:48,811 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:21:48,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:21:48,813 INFO L82 PathProgramCache]: Analyzing trace with hash -739962356, now seen corresponding path program 1 times [2021-08-27 15:21:48,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:21:48,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866222071] [2021-08-27 15:21:48,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:21:48,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:21:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:21:48,819 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:21:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:21:48,827 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:21:48,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:21:48,828 INFO L82 PathProgramCache]: Analyzing trace with hash -504431048, now seen corresponding path program 1 times [2021-08-27 15:21:48,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:21:48,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982432381] [2021-08-27 15:21:48,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:21:48,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:21:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:21:48,842 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:21:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:21:48,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:21:48,983 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:21:48,984 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:21:48,984 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:21:48,984 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:21:48,984 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:21:48,984 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:48,984 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:21:48,984 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:21:48,984 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-escape-absolute.i_Iteration1_Loop [2021-08-27 15:21:48,984 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:21:48,985 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:21:48,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:21:48,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:21:49,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:21:49,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:21:49,070 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:21:49,070 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:21:49,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:49,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:21:49,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:21:49,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:21:49,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:21:49,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 15:21:49,121 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:21:49,121 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre8=0} Honda state: {ULTIMATE.start_main_#t~pre8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:21:49,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 15:21:49,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:49,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:21:49,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:21:49,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:21:49,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:21:49,175 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:21:49,176 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet7=0} Honda state: {ULTIMATE.start_main_#t~nondet7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:21:49,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 15:21:49,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 15:21:49,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:49,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:21:49,193 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:21:49,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:21:49,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:21:49,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 15:21:49,221 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:21:49,222 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:21:49,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 15:21:49,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:49,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:21:49,245 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:21:49,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 15:21:49,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:21:49,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:21:49,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 15:21:49,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:49,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:21:49,275 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:21:49,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 15:21:49,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:21:49,279 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:21:49,325 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:21:49,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 15:21:49,329 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:21:49,329 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:21:49,329 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:21:49,329 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:21:49,329 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:21:49,329 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:49,329 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:21:49,329 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:21:49,329 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-escape-absolute.i_Iteration1_Loop [2021-08-27 15:21:49,329 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:21:49,329 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:21:49,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:21:49,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:21:49,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:21:49,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:21:49,393 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:21:49,396 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:21:49,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:49,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:21:49,398 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:21:49,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 15:21:49,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:21:49,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:21:49,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:21:49,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:21:49,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:21:49,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:21:49,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:21:49,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:21:49,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:21:49,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-27 15:21:49,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:49,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:21:49,464 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:21:49,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 15:21:49,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:21:49,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:21:49,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:21:49,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:21:49,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:21:49,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:21:49,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:21:49,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:21:49,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:21:49,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 15:21:49,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:49,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:21:49,510 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:21:49,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 15:21:49,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:21:49,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:21:49,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:21:49,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:21:49,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:21:49,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:21:49,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:21:49,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:21:49,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:21:49,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-08-27 15:21:49,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:49,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:21:49,603 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:21:49,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 15:21:49,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:21:49,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:21:49,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:21:49,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:21:49,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:21:49,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:21:49,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:21:49,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:21:49,636 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:21:49,640 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:21:49,640 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:21:49,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:21:49,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:21:49,642 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:21:49,644 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:21:49,644 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:21:49,644 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:21:49,645 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~urilen~0, ULTIMATE.start_main_~cp~0) = 1*ULTIMATE.start_main_~urilen~0 - 1*ULTIMATE.start_main_~cp~0 Supporting invariants [] [2021-08-27 15:21:49,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 15:21:49,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 15:21:49,664 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:21:49,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:21:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:21:49,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:21:49,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:21:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:21:49,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 15:21:49,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:21:49,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 15:21:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:21:49,920 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 [2021-08-27 15:21:49,921 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 70 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 69 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:21:50,072 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 70 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 69 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 196 states and 271 transitions. Complement of second has 11 states. [2021-08-27 15:21:50,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-08-27 15:21:50,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:21:50,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 201 transitions. [2021-08-27 15:21:50,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 201 transitions. Stem has 16 letters. Loop has 6 letters. [2021-08-27 15:21:50,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:21:50,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 201 transitions. Stem has 22 letters. Loop has 6 letters. [2021-08-27 15:21:50,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:21:50,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 201 transitions. Stem has 16 letters. Loop has 12 letters. [2021-08-27 15:21:50,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:21:50,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 196 states and 271 transitions. [2021-08-27 15:21:50,080 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:21:50,082 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 196 states to 0 states and 0 transitions. [2021-08-27 15:21:50,082 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:21:50,082 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:21:50,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:21:50,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:21:50,083 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:21:50,083 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:21:50,083 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:21:50,083 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:21:50,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:21:50,083 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:21:50,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:21:50,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:21:50 BoogieIcfgContainer [2021-08-27 15:21:50,087 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:21:50,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:21:50,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:21:50,087 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:21:50,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:21:48" (3/4) ... [2021-08-27 15:21:50,089 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:21:50,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:21:50,090 INFO L168 Benchmark]: Toolchain (without parser) took 2183.25 ms. Allocated memory was 50.3 MB in the beginning and 90.2 MB in the end (delta: 39.8 MB). Free memory was 26.0 MB in the beginning and 37.6 MB in the end (delta: -11.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2021-08-27 15:21:50,091 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 50.3 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 51.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:21:50,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.47 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 25.8 MB in the beginning and 47.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-08-27 15:21:50,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.78 ms. Allocated memory is still 65.0 MB. Free memory was 47.8 MB in the beginning and 45.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:21:50,092 INFO L168 Benchmark]: Boogie Preprocessor took 27.88 ms. Allocated memory is still 65.0 MB. Free memory was 45.9 MB in the beginning and 44.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:21:50,092 INFO L168 Benchmark]: RCFGBuilder took 413.17 ms. Allocated memory is still 65.0 MB. Free memory was 44.3 MB in the beginning and 34.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:21:50,092 INFO L168 Benchmark]: BuchiAutomizer took 1469.99 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 34.4 MB in the beginning and 38.0 MB in the end (delta: -3.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-08-27 15:21:50,093 INFO L168 Benchmark]: Witness Printer took 2.08 ms. Allocated memory is still 90.2 MB. Free memory was 38.0 MB in the beginning and 37.6 MB in the end (delta: 452.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:21:50,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 50.3 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 51.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 220.47 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 25.8 MB in the beginning and 47.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.78 ms. Allocated memory is still 65.0 MB. Free memory was 47.8 MB in the beginning and 45.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.88 ms. Allocated memory is still 65.0 MB. Free memory was 45.9 MB in the beginning and 44.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 413.17 ms. Allocated memory is still 65.0 MB. Free memory was 44.3 MB in the beginning and 34.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1469.99 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 34.4 MB in the beginning and 38.0 MB in the end (delta: -3.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * Witness Printer took 2.08 ms. Allocated memory is still 90.2 MB. Free memory was 38.0 MB in the beginning and 37.6 MB in the end (delta: 452.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * cp + urilen and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 55 SDtfs, 108 SDslu, 35 SDs, 0 SdLazy, 96 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 64.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital28 mio100 ax100 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf96 smp69 dnf100 smp100 tf109 neg95 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 15:21:50,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...