./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c -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 84bce40124007e6e483bf8a05621b58460eab347da71074e5760fdf76654ee7f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 10:11:34,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 10:11:34,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 10:11:34,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 10:11:34,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 10:11:34,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 10:11:34,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 10:11:34,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 10:11:34,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 10:11:34,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 10:11:34,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 10:11:34,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 10:11:34,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 10:11:34,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 10:11:34,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 10:11:34,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 10:11:34,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 10:11:34,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 10:11:34,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 10:11:34,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 10:11:34,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 10:11:34,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 10:11:34,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 10:11:34,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 10:11:34,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 10:11:34,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 10:11:34,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 10:11:34,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 10:11:34,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 10:11:34,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 10:11:34,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 10:11:34,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 10:11:34,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 10:11:34,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 10:11:34,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 10:11:34,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 10:11:34,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 10:11:34,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 10:11:34,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 10:11:34,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 10:11:34,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 10:11:34,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 10:11:34,303 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 10:11:34,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 10:11:34,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 10:11:34,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 10:11:34,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 10:11:34,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 10:11:34,305 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 10:11:34,305 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 10:11:34,305 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 10:11:34,305 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 10:11:34,306 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 10:11:34,306 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 10:11:34,306 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 10:11:34,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 10:11:34,307 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 10:11:34,307 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 10:11:34,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 10:11:34,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 10:11:34,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 10:11:34,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 10:11:34,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 10:11:34,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 10:11:34,308 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 10:11:34,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 10:11:34,309 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 10:11:34,309 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 10:11:34,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 10:11:34,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 10:11:34,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 10:11:34,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 10:11:34,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 10:11:34,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 10:11:34,311 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 10:11:34,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84bce40124007e6e483bf8a05621b58460eab347da71074e5760fdf76654ee7f [2021-12-16 10:11:34,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 10:11:34,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 10:11:34,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 10:11:34,538 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 10:11:34,538 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 10:11:34,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c [2021-12-16 10:11:34,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a30ccdb3/3e3e49c485b4409a85e67f56fd2ecac8/FLAG2e06e36ce [2021-12-16 10:11:34,982 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 10:11:34,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c [2021-12-16 10:11:34,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a30ccdb3/3e3e49c485b4409a85e67f56fd2ecac8/FLAG2e06e36ce [2021-12-16 10:11:35,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a30ccdb3/3e3e49c485b4409a85e67f56fd2ecac8 [2021-12-16 10:11:35,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 10:11:35,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 10:11:35,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 10:11:35,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 10:11:35,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 10:11:35,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547a5c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35, skipping insertion in model container [2021-12-16 10:11:35,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 10:11:35,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 10:11:35,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c[20019,20032] [2021-12-16 10:11:35,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:11:35,272 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 10:11:35,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c[20019,20032] [2021-12-16 10:11:35,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:11:35,335 INFO L208 MainTranslator]: Completed translation [2021-12-16 10:11:35,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35 WrapperNode [2021-12-16 10:11:35,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 10:11:35,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 10:11:35,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 10:11:35,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 10:11:35,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,385 INFO L137 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 429 [2021-12-16 10:11:35,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 10:11:35,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 10:11:35,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 10:11:35,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 10:11:35,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 10:11:35,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 10:11:35,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 10:11:35,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 10:11:35,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35" (1/1) ... [2021-12-16 10:11:35,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:35,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:35,468 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) [2021-12-16 10:11:35,491 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 [2021-12-16 10:11:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 10:11:35,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 10:11:35,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 10:11:35,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 10:11:35,579 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 10:11:35,580 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 10:11:35,893 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 10:11:35,898 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 10:11:35,899 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 10:11:35,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:11:35 BoogieIcfgContainer [2021-12-16 10:11:35,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 10:11:35,901 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 10:11:35,901 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 10:11:35,903 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 10:11:35,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:11:35,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 10:11:35" (1/3) ... [2021-12-16 10:11:35,905 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9c2c0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:11:35, skipping insertion in model container [2021-12-16 10:11:35,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:11:35,905 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:11:35" (2/3) ... [2021-12-16 10:11:35,905 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9c2c0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:11:35, skipping insertion in model container [2021-12-16 10:11:35,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:11:35,905 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:11:35" (3/3) ... [2021-12-16 10:11:35,906 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_lcr.7.ufo.BOUNDED-14.pals.c [2021-12-16 10:11:35,933 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 10:11:35,933 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 10:11:35,933 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 10:11:35,933 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 10:11:35,933 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 10:11:35,934 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 10:11:35,934 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 10:11:35,934 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 10:11:35,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.746031746031746) internal successors, (220), 126 states have internal predecessors, (220), 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) [2021-12-16 10:11:35,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 67 [2021-12-16 10:11:35,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:11:35,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:11:35,974 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:11:35,975 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:11:35,975 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 10:11:35,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.746031746031746) internal successors, (220), 126 states have internal predecessors, (220), 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) [2021-12-16 10:11:35,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 67 [2021-12-16 10:11:35,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:11:35,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:11:35,981 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:11:35,981 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:11:35,986 INFO L791 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(33, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 39#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~ret40#1, main_#t~ret41#1, main_#t~post42#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~id1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~send1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~mode1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~send4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~mode4~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~id5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~st5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~send5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~mode5~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~send6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~mode6~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~id7~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st7~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~send7~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~mode7~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 68#L260true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 78#L260-1true init_#res#1 := init_~tmp~0#1; 4#L461true main_#t~ret40#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret40#1;havoc main_#t~ret40#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 42#L22true assume !(0 == assume_abort_if_not_~cond#1); 97#L21true assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 73#L545-2true [2021-12-16 10:11:35,987 INFO L793 eck$LassoCheckResult]: Loop: 73#L545-2true assume !!(main_~i2~0#1 < 14);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 37#L85true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 72#L89true assume !(node1_~m1~0#1 != ~nomsg~0); 46#L89-1true ~mode1~0 := 0; 7#L85-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 22#L111true assume !(0 != ~mode2~0 % 256); 79#L124true assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 65#L124-2true ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 98#L111-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 21#L136true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 30#L139true assume !(node3_~m3~0#1 != ~nomsg~0); 12#L139-1true ~mode3~0 := 0; 32#L136-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 18#L161true assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 85#L164true assume !(node4_~m4~0#1 != ~nomsg~0); 99#L164-1true ~mode4~0 := 0; 9#L161-2true assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 66#L186true assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 86#L189true assume !(node5_~m5~0#1 != ~nomsg~0); 41#L189-1true ~mode5~0 := 0; 13#L186-2true assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 103#L211true assume !(0 != ~mode6~0 % 256); 77#L224true assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 100#L224-2true ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 84#L211-2true assume { :end_inline_node6 } true;assume { :begin_inline_node7 } true;havoc node7_#t~ite10#1, node7_~m7~0#1;havoc node7_~m7~0#1;node7_~m7~0#1 := ~nomsg~0; 59#L236true assume 0 != ~mode7~0 % 256;node7_~m7~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 29#L239true assume !(node7_~m7~0#1 != ~nomsg~0); 23#L239-1true ~mode7~0 := 0; 57#L236-2true assume { :end_inline_node7 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 19#L469true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1);check_~tmp~1#1 := 0; 44#L469-1true check_#res#1 := check_~tmp~1#1; 112#L489true main_#t~ret41#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret41#1;havoc main_#t~ret41#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 127#L581true assume !(0 == assert_~arg#1 % 256); 87#L576true assume { :end_inline_assert } true;main_#t~post42#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post42#1;havoc main_#t~post42#1; 73#L545-2true [2021-12-16 10:11:35,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:11:35,991 INFO L85 PathProgramCache]: Analyzing trace with hash 2087378158, now seen corresponding path program 1 times [2021-12-16 10:11:35,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:11:35,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626051938] [2021-12-16 10:11:35,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:11:35,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:11:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:11:36,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:11:36,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:11:36,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626051938] [2021-12-16 10:11:36,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626051938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:11:36,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:11:36,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 10:11:36,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070002639] [2021-12-16 10:11:36,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:11:36,191 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 10:11:36,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:11:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash 149051824, now seen corresponding path program 1 times [2021-12-16 10:11:36,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:11:36,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537382406] [2021-12-16 10:11:36,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:11:36,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:11:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:11:36,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:11:36,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:11:36,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537382406] [2021-12-16 10:11:36,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537382406] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:11:36,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:11:36,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 10:11:36,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597385478] [2021-12-16 10:11:36,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:11:36,424 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:11:36,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:11:36,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 10:11:36,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 10:11:36,454 INFO L87 Difference]: Start difference. First operand has 127 states, 126 states have (on average 1.746031746031746) internal successors, (220), 126 states have internal predecessors, (220), 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 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:11:36,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:11:36,553 INFO L93 Difference]: Finished difference Result 130 states and 219 transitions. [2021-12-16 10:11:36,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 10:11:36,557 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 219 transitions. [2021-12-16 10:11:36,560 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2021-12-16 10:11:36,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 122 states and 162 transitions. [2021-12-16 10:11:36,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 122 [2021-12-16 10:11:36,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2021-12-16 10:11:36,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 162 transitions. [2021-12-16 10:11:36,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:11:36,565 INFO L681 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2021-12-16 10:11:36,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 162 transitions. [2021-12-16 10:11:36,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-12-16 10:11:36,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 122 states have (on average 1.3278688524590163) internal successors, (162), 121 states have internal predecessors, (162), 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) [2021-12-16 10:11:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 162 transitions. [2021-12-16 10:11:36,590 INFO L704 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2021-12-16 10:11:36,590 INFO L587 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2021-12-16 10:11:36,591 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 10:11:36,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 162 transitions. [2021-12-16 10:11:36,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2021-12-16 10:11:36,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:11:36,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:11:36,606 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:11:36,607 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:11:36,608 INFO L791 eck$LassoCheckResult]: Stem: 394#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(33, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 335#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~ret40#1, main_#t~ret41#1, main_#t~post42#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~id1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~send1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~mode1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~send4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~mode4~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~id5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~st5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~send5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~mode5~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~send6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~mode6~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~id7~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st7~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~send7~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~mode7~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 336#L260 assume 0 == ~r1~0; 369#L261 assume ~id1~0 >= 0; 353#L262 assume 0 == ~st1~0; 354#L263 assume ~send1~0 == ~id1~0; 359#L264 assume 0 == ~mode1~0 % 256; 360#L265 assume ~id2~0 >= 0; 299#L266 assume 0 == ~st2~0; 300#L267 assume ~send2~0 == ~id2~0; 316#L268 assume 0 == ~mode2~0 % 256; 317#L269 assume ~id3~0 >= 0; 295#L270 assume 0 == ~st3~0; 296#L271 assume ~send3~0 == ~id3~0; 326#L272 assume 0 == ~mode3~0 % 256; 341#L273 assume ~id4~0 >= 0; 357#L274 assume 0 == ~st4~0; 384#L275 assume ~send4~0 == ~id4~0; 275#L276 assume 0 == ~mode4~0 % 256; 276#L277 assume ~id5~0 >= 0; 396#L278 assume 0 == ~st5~0; 347#L279 assume ~send5~0 == ~id5~0; 348#L280 assume 0 == ~mode5~0 % 256; 308#L281 assume ~id6~0 >= 0; 279#L282 assume 0 == ~st6~0; 280#L283 assume ~send6~0 == ~id6~0; 361#L284 assume 0 == ~mode6~0 % 256; 362#L285 assume ~id7~0 >= 0; 382#L286 assume 0 == ~st7~0; 368#L287 assume ~send7~0 == ~id7~0; 321#L288 assume 0 == ~mode7~0 % 256; 322#L289 assume ~id1~0 != ~id2~0; 328#L290 assume ~id1~0 != ~id3~0; 374#L291 assume ~id1~0 != ~id4~0; 375#L292 assume ~id1~0 != ~id5~0; 385#L293 assume ~id1~0 != ~id6~0; 392#L294 assume ~id1~0 != ~id7~0; 287#L295 assume ~id2~0 != ~id3~0; 288#L296 assume ~id2~0 != ~id4~0; 327#L297 assume ~id2~0 != ~id5~0; 324#L298 assume ~id2~0 != ~id6~0; 325#L299 assume ~id2~0 != ~id7~0; 334#L300 assume ~id3~0 != ~id4~0; 370#L301 assume ~id3~0 != ~id5~0; 380#L302 assume ~id3~0 != ~id6~0; 381#L303 assume ~id3~0 != ~id7~0; 387#L304 assume ~id4~0 != ~id5~0; 363#L305 assume ~id4~0 != ~id6~0; 364#L306 assume ~id4~0 != ~id7~0; 373#L307 assume ~id5~0 != ~id6~0; 297#L308 assume ~id5~0 != ~id7~0; 298#L309 assume ~id6~0 != ~id7~0;init_~tmp~0#1 := 1; 378#L260-1 init_#res#1 := init_~tmp~0#1; 277#L461 main_#t~ret40#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret40#1;havoc main_#t~ret40#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 278#L22 assume !(0 == assume_abort_if_not_~cond#1); 340#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 372#L545-2 [2021-12-16 10:11:36,608 INFO L793 eck$LassoCheckResult]: Loop: 372#L545-2 assume !!(main_~i2~0#1 < 14);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 331#L85 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 332#L89 assume !(node1_~m1~0#1 != ~nomsg~0); 330#L89-1 ~mode1~0 := 0; 281#L85-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 282#L111 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 314#L114 assume !(node2_~m2~0#1 != ~nomsg~0); 345#L114-1 ~mode2~0 := 0; 366#L111-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 309#L136 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 310#L139 assume !(node3_~m3~0#1 != ~nomsg~0); 291#L139-1 ~mode3~0 := 0; 292#L136-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 302#L161 assume !(0 != ~mode4~0 % 256); 304#L174 assume !(~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0);node4_#t~ite7#1 := ~p4_new~0; 391#L174-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 283#L161-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 284#L186 assume !(0 != ~mode5~0 % 256); 343#L199 assume !(~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0);node5_#t~ite8#1 := ~p5_new~0; 344#L199-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 293#L186-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 294#L211 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 388#L214 assume !(node6_~m6~0#1 != ~nomsg~0); 338#L214-1 ~mode6~0 := 0; 379#L211-2 assume { :end_inline_node6 } true;assume { :begin_inline_node7 } true;havoc node7_#t~ite10#1, node7_~m7~0#1;havoc node7_~m7~0#1;node7_~m7~0#1 := ~nomsg~0; 356#L236 assume 0 != ~mode7~0 % 256;node7_~m7~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 320#L239 assume !(node7_~m7~0#1 != ~nomsg~0); 312#L239-1 ~mode7~0 := 0; 313#L236-2 assume { :end_inline_node7 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 305#L469 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1);check_~tmp~1#1 := 0; 306#L469-1 check_#res#1 := check_~tmp~1#1; 342#L489 main_#t~ret41#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret41#1;havoc main_#t~ret41#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 393#L581 assume !(0 == assert_~arg#1 % 256); 383#L576 assume { :end_inline_assert } true;main_#t~post42#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post42#1;havoc main_#t~post42#1; 372#L545-2 [2021-12-16 10:11:36,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:11:36,613 INFO L85 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 1 times [2021-12-16 10:11:36,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:11:36,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438499656] [2021-12-16 10:11:36,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:11:36,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:11:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:11:36,700 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:11:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:11:36,826 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:11:36,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:11:36,844 INFO L85 PathProgramCache]: Analyzing trace with hash -525374164, now seen corresponding path program 1 times [2021-12-16 10:11:36,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:11:36,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726351315] [2021-12-16 10:11:36,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:11:36,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:11:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:11:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:11:36,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:11:36,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726351315] [2021-12-16 10:11:36,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726351315] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:11:36,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:11:36,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 10:11:36,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645816740] [2021-12-16 10:11:36,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:11:36,958 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:11:36,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:11:36,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 10:11:36,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 10:11:36,959 INFO L87 Difference]: Start difference. First operand 122 states and 162 transitions. cyclomatic complexity: 41 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-12-16 10:11:37,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:11:37,005 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2021-12-16 10:11:37,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 10:11:37,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 164 transitions. [2021-12-16 10:11:37,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2021-12-16 10:11:37,012 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 122 states and 159 transitions. [2021-12-16 10:11:37,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 122 [2021-12-16 10:11:37,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2021-12-16 10:11:37,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 159 transitions. [2021-12-16 10:11:37,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:11:37,016 INFO L681 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2021-12-16 10:11:37,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 159 transitions. [2021-12-16 10:11:37,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-12-16 10:11:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 122 states have (on average 1.3032786885245902) internal successors, (159), 121 states have internal predecessors, (159), 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) [2021-12-16 10:11:37,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 159 transitions. [2021-12-16 10:11:37,023 INFO L704 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2021-12-16 10:11:37,023 INFO L587 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2021-12-16 10:11:37,024 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 10:11:37,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 159 transitions. [2021-12-16 10:11:37,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2021-12-16 10:11:37,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:11:37,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:11:37,029 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:11:37,030 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:11:37,031 INFO L791 eck$LassoCheckResult]: Stem: 653#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(33, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 593#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~ret40#1, main_#t~ret41#1, main_#t~post42#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~id1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~send1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~mode1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~send4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~mode4~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~id5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~st5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~send5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~mode5~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~send6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~mode6~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~id7~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st7~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~send7~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~mode7~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 594#L260 assume 0 == ~r1~0; 628#L261 assume ~id1~0 >= 0; 612#L262 assume 0 == ~st1~0; 613#L263 assume ~send1~0 == ~id1~0; 618#L264 assume 0 == ~mode1~0 % 256; 619#L265 assume ~id2~0 >= 0; 558#L266 assume 0 == ~st2~0; 559#L267 assume ~send2~0 == ~id2~0; 574#L268 assume 0 == ~mode2~0 % 256; 575#L269 assume ~id3~0 >= 0; 554#L270 assume 0 == ~st3~0; 555#L271 assume ~send3~0 == ~id3~0; 584#L272 assume 0 == ~mode3~0 % 256; 599#L273 assume ~id4~0 >= 0; 615#L274 assume 0 == ~st4~0; 643#L275 assume ~send4~0 == ~id4~0; 534#L276 assume 0 == ~mode4~0 % 256; 535#L277 assume ~id5~0 >= 0; 655#L278 assume 0 == ~st5~0; 606#L279 assume ~send5~0 == ~id5~0; 607#L280 assume 0 == ~mode5~0 % 256; 566#L281 assume ~id6~0 >= 0; 538#L282 assume 0 == ~st6~0; 539#L283 assume ~send6~0 == ~id6~0; 620#L284 assume 0 == ~mode6~0 % 256; 621#L285 assume ~id7~0 >= 0; 641#L286 assume 0 == ~st7~0; 627#L287 assume ~send7~0 == ~id7~0; 578#L288 assume 0 == ~mode7~0 % 256; 579#L289 assume ~id1~0 != ~id2~0; 586#L290 assume ~id1~0 != ~id3~0; 633#L291 assume ~id1~0 != ~id4~0; 634#L292 assume ~id1~0 != ~id5~0; 644#L293 assume ~id1~0 != ~id6~0; 651#L294 assume ~id1~0 != ~id7~0; 546#L295 assume ~id2~0 != ~id3~0; 547#L296 assume ~id2~0 != ~id4~0; 585#L297 assume ~id2~0 != ~id5~0; 582#L298 assume ~id2~0 != ~id6~0; 583#L299 assume ~id2~0 != ~id7~0; 592#L300 assume ~id3~0 != ~id4~0; 629#L301 assume ~id3~0 != ~id5~0; 639#L302 assume ~id3~0 != ~id6~0; 640#L303 assume ~id3~0 != ~id7~0; 646#L304 assume ~id4~0 != ~id5~0; 622#L305 assume ~id4~0 != ~id6~0; 623#L306 assume ~id4~0 != ~id7~0; 632#L307 assume ~id5~0 != ~id6~0; 556#L308 assume ~id5~0 != ~id7~0; 557#L309 assume ~id6~0 != ~id7~0;init_~tmp~0#1 := 1; 637#L260-1 init_#res#1 := init_~tmp~0#1; 536#L461 main_#t~ret40#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret40#1;havoc main_#t~ret40#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 537#L22 assume !(0 == assume_abort_if_not_~cond#1); 598#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 631#L545-2 [2021-12-16 10:11:37,031 INFO L793 eck$LassoCheckResult]: Loop: 631#L545-2 assume !!(main_~i2~0#1 < 14);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 589#L85 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 590#L89 assume !(node1_~m1~0#1 != ~nomsg~0); 588#L89-1 ~mode1~0 := 0; 540#L85-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 541#L111 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 572#L114 assume !(node2_~m2~0#1 != ~nomsg~0); 604#L114-1 ~mode2~0 := 0; 625#L111-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 567#L136 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 568#L139 assume !(node3_~m3~0#1 != ~nomsg~0); 550#L139-1 ~mode3~0 := 0; 551#L136-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 561#L161 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 562#L164 assume !(node4_~m4~0#1 != ~nomsg~0); 545#L164-1 ~mode4~0 := 0; 542#L161-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 543#L186 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 626#L189 assume !(node5_~m5~0#1 != ~nomsg~0); 597#L189-1 ~mode5~0 := 0; 552#L186-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 553#L211 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 647#L214 assume !(node6_~m6~0#1 != ~nomsg~0); 596#L214-1 ~mode6~0 := 0; 638#L211-2 assume { :end_inline_node6 } true;assume { :begin_inline_node7 } true;havoc node7_#t~ite10#1, node7_~m7~0#1;havoc node7_~m7~0#1;node7_~m7~0#1 := ~nomsg~0; 616#L236 assume !(0 != ~mode7~0 % 256); 548#L249 assume ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0;node7_#t~ite10#1 := ~send7~0; 549#L249-2 ~p7_new~0 := (if node7_#t~ite10#1 % 256 <= 127 then node7_#t~ite10#1 % 256 else node7_#t~ite10#1 % 256 - 256);havoc node7_#t~ite10#1;~mode7~0 := 1; 571#L236-2 assume { :end_inline_node7 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 564#L469 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1; 565#L470 assume ~r1~0 >= 7; 608#L474 assume ~r1~0 < 7;check_~tmp~1#1 := 1; 600#L469-1 check_#res#1 := check_~tmp~1#1; 601#L489 main_#t~ret41#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret41#1;havoc main_#t~ret41#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 652#L581 assume !(0 == assert_~arg#1 % 256); 642#L576 assume { :end_inline_assert } true;main_#t~post42#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post42#1;havoc main_#t~post42#1; 631#L545-2 [2021-12-16 10:11:37,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:11:37,032 INFO L85 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 2 times [2021-12-16 10:11:37,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:11:37,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324476523] [2021-12-16 10:11:37,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:11:37,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:11:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:11:37,104 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:11:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:11:37,135 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:11:37,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:11:37,140 INFO L85 PathProgramCache]: Analyzing trace with hash -602955094, now seen corresponding path program 1 times [2021-12-16 10:11:37,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:11:37,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528631990] [2021-12-16 10:11:37,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:11:37,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:11:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:11:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:11:37,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:11:37,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528631990] [2021-12-16 10:11:37,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528631990] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:11:37,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:11:37,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 10:11:37,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369227097] [2021-12-16 10:11:37,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:11:37,186 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:11:37,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:11:37,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 10:11:37,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 10:11:37,189 INFO L87 Difference]: Start difference. First operand 122 states and 159 transitions. cyclomatic complexity: 38 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:11:37,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:11:37,224 INFO L93 Difference]: Finished difference Result 182 states and 251 transitions. [2021-12-16 10:11:37,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 10:11:37,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 251 transitions. [2021-12-16 10:11:37,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 126 [2021-12-16 10:11:37,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 182 states and 251 transitions. [2021-12-16 10:11:37,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 182 [2021-12-16 10:11:37,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 182 [2021-12-16 10:11:37,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 182 states and 251 transitions. [2021-12-16 10:11:37,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:11:37,228 INFO L681 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2021-12-16 10:11:37,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states and 251 transitions. [2021-12-16 10:11:37,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2021-12-16 10:11:37,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 182 states have (on average 1.379120879120879) internal successors, (251), 181 states have internal predecessors, (251), 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) [2021-12-16 10:11:37,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2021-12-16 10:11:37,240 INFO L704 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2021-12-16 10:11:37,240 INFO L587 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2021-12-16 10:11:37,241 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 10:11:37,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 251 transitions. [2021-12-16 10:11:37,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 126 [2021-12-16 10:11:37,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:11:37,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:11:37,242 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:11:37,243 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:11:37,243 INFO L791 eck$LassoCheckResult]: Stem: 964#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(33, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 903#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~ret40#1, main_#t~ret41#1, main_#t~post42#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~id1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~send1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~mode1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~send4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~mode4~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~id5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~st5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~send5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~mode5~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~send6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~mode6~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~id7~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st7~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~send7~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~mode7~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 904#L260 assume 0 == ~r1~0; 939#L261 assume ~id1~0 >= 0; 924#L262 assume 0 == ~st1~0; 925#L263 assume ~send1~0 == ~id1~0; 929#L264 assume 0 == ~mode1~0 % 256; 930#L265 assume ~id2~0 >= 0; 869#L266 assume 0 == ~st2~0; 870#L267 assume ~send2~0 == ~id2~0; 884#L268 assume 0 == ~mode2~0 % 256; 885#L269 assume ~id3~0 >= 0; 864#L270 assume 0 == ~st3~0; 865#L271 assume ~send3~0 == ~id3~0; 894#L272 assume 0 == ~mode3~0 % 256; 909#L273 assume ~id4~0 >= 0; 927#L274 assume 0 == ~st4~0; 954#L275 assume ~send4~0 == ~id4~0; 844#L276 assume 0 == ~mode4~0 % 256; 845#L277 assume ~id5~0 >= 0; 970#L278 assume 0 == ~st5~0; 917#L279 assume ~send5~0 == ~id5~0; 918#L280 assume 0 == ~mode5~0 % 256; 876#L281 assume ~id6~0 >= 0; 848#L282 assume 0 == ~st6~0; 849#L283 assume ~send6~0 == ~id6~0; 931#L284 assume 0 == ~mode6~0 % 256; 932#L285 assume ~id7~0 >= 0; 952#L286 assume 0 == ~st7~0; 938#L287 assume ~send7~0 == ~id7~0; 889#L288 assume 0 == ~mode7~0 % 256; 890#L289 assume ~id1~0 != ~id2~0; 896#L290 assume ~id1~0 != ~id3~0; 944#L291 assume ~id1~0 != ~id4~0; 945#L292 assume ~id1~0 != ~id5~0; 955#L293 assume ~id1~0 != ~id6~0; 962#L294 assume ~id1~0 != ~id7~0; 856#L295 assume ~id2~0 != ~id3~0; 857#L296 assume ~id2~0 != ~id4~0; 895#L297 assume ~id2~0 != ~id5~0; 892#L298 assume ~id2~0 != ~id6~0; 893#L299 assume ~id2~0 != ~id7~0; 902#L300 assume ~id3~0 != ~id4~0; 940#L301 assume ~id3~0 != ~id5~0; 950#L302 assume ~id3~0 != ~id6~0; 951#L303 assume ~id3~0 != ~id7~0; 958#L304 assume ~id4~0 != ~id5~0; 933#L305 assume ~id4~0 != ~id6~0; 934#L306 assume ~id4~0 != ~id7~0; 943#L307 assume ~id5~0 != ~id6~0; 866#L308 assume ~id5~0 != ~id7~0; 867#L309 assume ~id6~0 != ~id7~0;init_~tmp~0#1 := 1; 948#L260-1 init_#res#1 := init_~tmp~0#1; 846#L461 main_#t~ret40#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret40#1;havoc main_#t~ret40#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 847#L22 assume !(0 == assume_abort_if_not_~cond#1); 908#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 957#L545-2 [2021-12-16 10:11:37,243 INFO L793 eck$LassoCheckResult]: Loop: 957#L545-2 assume !!(main_~i2~0#1 < 14);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 1021#L85 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 900#L89 assume !(node1_~m1~0#1 != ~nomsg~0); 898#L89-1 ~mode1~0 := 0; 912#L85-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 1018#L111 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 1015#L114 assume !(node2_~m2~0#1 != ~nomsg~0); 1013#L114-1 ~mode2~0 := 0; 1011#L111-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 1010#L136 assume !(0 != ~mode3~0 % 256); 1009#L149 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 1004#L149-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 1003#L136-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 1002#L161 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1000#L164 assume !(node4_~m4~0#1 != ~nomsg~0); 998#L164-1 ~mode4~0 := 0; 997#L161-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 996#L186 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 993#L189 assume !(node5_~m5~0#1 != ~nomsg~0); 991#L189-1 ~mode5~0 := 0; 989#L186-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 988#L211 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 985#L214 assume !(node6_~m6~0#1 != ~nomsg~0); 983#L214-1 ~mode6~0 := 0; 981#L211-2 assume { :end_inline_node6 } true;assume { :begin_inline_node7 } true;havoc node7_#t~ite10#1, node7_~m7~0#1;havoc node7_~m7~0#1;node7_~m7~0#1 := ~nomsg~0; 980#L236 assume 0 != ~mode7~0 % 256;node7_~m7~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 978#L239 assume !(node7_~m7~0#1 != ~nomsg~0); 975#L239-1 ~mode7~0 := 0; 973#L236-2 assume { :end_inline_node7 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 972#L469 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1; 971#L470 assume !(~r1~0 >= 7); 965#L473 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0; 966#L474 assume ~r1~0 < 7;check_~tmp~1#1 := 1; 1025#L469-1 check_#res#1 := check_~tmp~1#1; 1024#L489 main_#t~ret41#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret41#1;havoc main_#t~ret41#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1023#L581 assume !(0 == assert_~arg#1 % 256); 1022#L576 assume { :end_inline_assert } true;main_#t~post42#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post42#1;havoc main_#t~post42#1; 957#L545-2 [2021-12-16 10:11:37,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:11:37,244 INFO L85 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 3 times [2021-12-16 10:11:37,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:11:37,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971103777] [2021-12-16 10:11:37,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:11:37,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:11:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:11:37,254 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:11:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:11:37,270 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:11:37,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:11:37,271 INFO L85 PathProgramCache]: Analyzing trace with hash 931303707, now seen corresponding path program 1 times [2021-12-16 10:11:37,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:11:37,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110595333] [2021-12-16 10:11:37,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:11:37,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:11:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:11:37,279 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:11:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:11:37,288 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:11:37,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:11:37,289 INFO L85 PathProgramCache]: Analyzing trace with hash -721431126, now seen corresponding path program 1 times [2021-12-16 10:11:37,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:11:37,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970465471] [2021-12-16 10:11:37,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:11:37,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:11:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:11:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:11:37,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:11:37,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970465471] [2021-12-16 10:11:37,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970465471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:11:37,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:11:37,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 10:11:37,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457091735] [2021-12-16 10:11:37,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:11:38,362 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:11:38,363 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:11:38,363 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:11:38,363 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:11:38,363 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 10:11:38,363 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:38,363 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:11:38,363 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:11:38,363 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.7.ufo.BOUNDED-14.pals.c_Iteration4_Loop [2021-12-16 10:11:38,363 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:11:38,363 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:11:38,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:38,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,266 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:11:40,267 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 10:11:40,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:40,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:40,272 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) [2021-12-16 10:11:40,273 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 [2021-12-16 10:11:40,275 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 10:11:40,275 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:11:40,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-16 10:11:40,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:40,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:40,311 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) [2021-12-16 10:11:40,312 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 [2021-12-16 10:11:40,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 10:11:40,317 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:11:40,456 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 10:11:40,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-16 10:11:40,462 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:11:40,462 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:11:40,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:11:40,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:11:40,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:11:40,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:40,463 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:11:40,463 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:11:40,463 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.7.ufo.BOUNDED-14.pals.c_Iteration4_Loop [2021-12-16 10:11:40,463 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:11:40,463 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:11:40,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:40,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:11:42,134 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:11:42,144 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:11:42,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,146 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) [2021-12-16 10:11:42,147 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 [2021-12-16 10:11:42,148 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 [2021-12-16 10:11:42,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,197 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 [2021-12-16 10:11:42,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,198 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) [2021-12-16 10:11:42,199 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 [2021-12-16 10:11:42,200 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 [2021-12-16 10:11:42,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,233 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 [2021-12-16 10:11:42,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,234 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) [2021-12-16 10:11:42,235 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 [2021-12-16 10:11:42,236 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 [2021-12-16 10:11:42,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,260 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 [2021-12-16 10:11:42,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,264 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) [2021-12-16 10:11:42,268 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 [2021-12-16 10:11:42,268 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 [2021-12-16 10:11:42,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,273 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 10:11:42,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,278 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 10:11:42,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,296 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 [2021-12-16 10:11:42,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,297 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) [2021-12-16 10:11:42,301 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 [2021-12-16 10:11:42,301 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 [2021-12-16 10:11:42,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,328 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 [2021-12-16 10:11:42,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,329 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) [2021-12-16 10:11:42,336 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 [2021-12-16 10:11:42,336 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 [2021-12-16 10:11:42,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-16 10:11:42,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,388 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) [2021-12-16 10:11:42,389 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 [2021-12-16 10:11:42,390 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 [2021-12-16 10:11:42,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-16 10:11:42,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,428 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) [2021-12-16 10:11:42,429 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 [2021-12-16 10:11:42,430 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 [2021-12-16 10:11:42,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,452 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 [2021-12-16 10:11:42,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,453 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2021-12-16 10:11:42,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-16 10:11:42,456 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 [2021-12-16 10:11:42,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-16 10:11:42,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,481 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2021-12-16 10:11:42,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-16 10:11:42,483 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 [2021-12-16 10:11:42,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-16 10:11:42,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,514 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2021-12-16 10:11:42,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-16 10:11:42,516 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 [2021-12-16 10:11:42,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,523 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-16 10:11:42,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,578 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-12-16 10:11:42,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-16 10:11:42,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,620 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2021-12-16 10:11:42,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-16 10:11:42,622 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 [2021-12-16 10:11:42,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-16 10:11:42,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,651 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2021-12-16 10:11:42,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-16 10:11:42,654 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 [2021-12-16 10:11:42,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-16 10:11:42,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,696 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2021-12-16 10:11:42,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-16 10:11:42,699 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 [2021-12-16 10:11:42,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:11:42,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-16 10:11:42,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,723 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2021-12-16 10:11:42,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-16 10:11:42,726 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 [2021-12-16 10:11:42,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:11:42,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:11:42,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:11:42,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:11:42,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:11:42,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:11:42,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:11:42,733 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:11:42,764 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 10:11:42,764 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-16 10:11:42,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:11:42,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:11:42,776 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2021-12-16 10:11:42,804 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:11:42,804 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 10:11:42,804 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:11:42,805 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 27 Supporting invariants [] [2021-12-16 10:11:42,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-16 10:11:42,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-16 10:11:42,838 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 10:11:42,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:11:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:11:42,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 10:11:42,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:11:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:11:43,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 10:11:43,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:11:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:11:43,139 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 10:11:43,140 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 251 transitions. cyclomatic complexity: 70 Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-12-16 10:11:43,169 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 251 transitions. cyclomatic complexity: 70. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 307 states and 446 transitions. Complement of second has 4 states. [2021-12-16 10:11:43,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 10:11:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-12-16 10:11:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2021-12-16 10:11:43,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 56 letters. Loop has 37 letters. [2021-12-16 10:11:43,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:11:43,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 93 letters. Loop has 37 letters. [2021-12-16 10:11:43,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:11:43,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 56 letters. Loop has 74 letters. [2021-12-16 10:11:43,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:11:43,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 446 transitions. [2021-12-16 10:11:43,176 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 10:11:43,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 0 states and 0 transitions. [2021-12-16 10:11:43,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 10:11:43,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 10:11:43,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 10:11:43,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:11:43,177 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:11:43,177 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:11:43,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:11:43,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 10:11:43,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 10:11:43,178 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-12-16 10:11:43,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:11:43,178 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-16 10:11:43,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 10:11:43,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-16 10:11:43,179 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 10:11:43,179 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 10:11:43,179 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 10:11:43,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 10:11:43,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 10:11:43,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:11:43,179 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:11:43,179 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:11:43,179 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:11:43,179 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-16 10:11:43,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-16 10:11:43,180 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 10:11:43,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-16 10:11:43,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 10:11:43 BoogieIcfgContainer [2021-12-16 10:11:43,185 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 10:11:43,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 10:11:43,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 10:11:43,185 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 10:11:43,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:11:35" (3/4) ... [2021-12-16 10:11:43,187 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 10:11:43,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 10:11:43,188 INFO L158 Benchmark]: Toolchain (without parser) took 8178.24ms. Allocated memory was 94.4MB in the beginning and 169.9MB in the end (delta: 75.5MB). Free memory was 63.0MB in the beginning and 82.1MB in the end (delta: -19.0MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2021-12-16 10:11:43,188 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:11:43,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.51ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 62.7MB in the beginning and 84.2MB in the end (delta: -21.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 10:11:43,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.48ms. Allocated memory is still 113.2MB. Free memory was 84.2MB in the beginning and 81.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 10:11:43,189 INFO L158 Benchmark]: Boogie Preprocessor took 30.78ms. Allocated memory is still 113.2MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 10:11:43,189 INFO L158 Benchmark]: RCFGBuilder took 482.58ms. Allocated memory is still 113.2MB. Free memory was 79.3MB in the beginning and 55.4MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-16 10:11:43,190 INFO L158 Benchmark]: BuchiAutomizer took 7283.69ms. Allocated memory was 113.2MB in the beginning and 169.9MB in the end (delta: 56.6MB). Free memory was 55.4MB in the beginning and 82.1MB in the end (delta: -26.7MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-12-16 10:11:43,190 INFO L158 Benchmark]: Witness Printer took 2.57ms. Allocated memory is still 169.9MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:11:43,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.51ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 62.7MB in the beginning and 84.2MB in the end (delta: -21.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.48ms. Allocated memory is still 113.2MB. Free memory was 84.2MB in the beginning and 81.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.78ms. Allocated memory is still 113.2MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.58ms. Allocated memory is still 113.2MB. Free memory was 79.3MB in the beginning and 55.4MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 7283.69ms. Allocated memory was 113.2MB in the beginning and 169.9MB in the end (delta: 56.6MB). Free memory was 55.4MB in the beginning and 82.1MB in the end (delta: -26.7MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Witness Printer took 2.57ms. Allocated memory is still 169.9MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 27 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.2s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 6.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 182 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 254 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 253 mSDsluCounter, 2095 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1316 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 779 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital235 mio100 ax100 hnf100 lsp57 ukn82 mio100 lsp100 div127 bol100 ite100 ukn100 eq197 hnf77 smp100 dnf727 smp49 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 88ms VariablesStem: 0 VariablesLoop: 38 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 0 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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! [2021-12-16 10:11:43,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-16 10:11:43,427 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE