./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf 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/list-ext-properties/simple-ext.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dfe6e301265e265404ce5be2c9f54235040b69e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 02:38:56,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 02:38:56,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 02:38:56,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 02:38:56,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 02:38:56,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 02:38:56,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 02:38:56,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 02:38:56,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 02:38:56,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 02:38:56,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 02:38:56,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 02:38:56,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 02:38:56,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 02:38:56,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 02:38:56,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 02:38:56,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 02:38:56,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 02:38:56,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 02:38:56,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 02:38:56,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 02:38:56,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 02:38:56,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 02:38:56,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 02:38:56,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 02:38:56,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 02:38:56,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 02:38:56,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 02:38:56,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 02:38:56,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 02:38:56,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 02:38:56,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 02:38:56,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 02:38:56,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 02:38:56,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 02:38:56,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 02:38:56,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 02:38:56,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 02:38:56,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 02:38:56,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 02:38:56,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 02:38:56,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 02:38:56,541 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 02:38:56,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 02:38:56,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 02:38:56,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 02:38:56,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 02:38:56,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 02:38:56,543 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 02:38:56,543 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 02:38:56,544 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 02:38:56,544 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 02:38:56,544 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 02:38:56,544 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 02:38:56,544 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 02:38:56,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 02:38:56,544 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 02:38:56,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 02:38:56,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 02:38:56,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 02:38:56,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 02:38:56,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 02:38:56,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 02:38:56,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 02:38:56,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 02:38:56,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 02:38:56,546 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 02:38:56,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 02:38:56,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 02:38:56,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 02:38:56,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 02:38:56,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 02:38:56,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 02:38:56,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 02:38:56,548 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 02:38:56,548 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dfe6e301265e265404ce5be2c9f54235040b69e [2021-08-31 02:38:56,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 02:38:56,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 02:38:56,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 02:38:56,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 02:38:56,854 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 02:38:56,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-08-31 02:38:56,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e07a9a59/41c8ada36c47418fa73ad4e357752a02/FLAG178d0ba8b [2021-08-31 02:38:57,319 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 02:38:57,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-08-31 02:38:57,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e07a9a59/41c8ada36c47418fa73ad4e357752a02/FLAG178d0ba8b [2021-08-31 02:38:57,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e07a9a59/41c8ada36c47418fa73ad4e357752a02 [2021-08-31 02:38:57,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 02:38:57,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 02:38:57,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 02:38:57,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 02:38:57,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 02:38:57,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd72522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57, skipping insertion in model container [2021-08-31 02:38:57,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 02:38:57,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 02:38:57,838 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-08-31 02:38:57,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:38:57,862 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 02:38:57,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-08-31 02:38:57,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:38:57,915 INFO L208 MainTranslator]: Completed translation [2021-08-31 02:38:57,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57 WrapperNode [2021-08-31 02:38:57,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 02:38:57,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 02:38:57,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 02:38:57,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 02:38:57,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 02:38:57,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 02:38:57,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 02:38:57,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 02:38:57,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 02:38:57,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 02:38:57,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 02:38:57,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 02:38:57,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57" (1/1) ... [2021-08-31 02:38:57,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:38:57,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:38:57,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:38:57,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 02:38:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 02:38:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 02:38:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-31 02:38:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-31 02:38:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 02:38:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-31 02:38:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 02:38:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 02:38:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 02:38:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 02:38:58,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 02:38:58,135 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-08-31 02:38:58,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:38:58 BoogieIcfgContainer [2021-08-31 02:38:58,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 02:38:58,137 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 02:38:58,137 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 02:38:58,139 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 02:38:58,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:38:58,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 02:38:57" (1/3) ... [2021-08-31 02:38:58,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9cc65b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:38:58, skipping insertion in model container [2021-08-31 02:38:58,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:38:58,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:57" (2/3) ... [2021-08-31 02:38:58,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9cc65b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:38:58, skipping insertion in model container [2021-08-31 02:38:58,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:38:58,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:38:58" (3/3) ... [2021-08-31 02:38:58,143 INFO L389 chiAutomizerObserver]: Analyzing ICFG simple-ext.i [2021-08-31 02:38:58,178 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 02:38:58,178 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 02:38:58,178 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 02:38:58,178 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 02:38:58,178 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 02:38:58,178 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 02:38:58,178 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 02:38:58,179 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 02:38:58,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:38:58,201 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-08-31 02:38:58,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:38:58,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:38:58,204 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 02:38:58,205 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 02:38:58,205 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 02:38:58,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:38:58,207 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-08-31 02:38:58,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:38:58,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:38:58,208 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 02:38:58,208 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 02:38:58,228 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 10#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 11#L533true assume main_~a~0.base == 0 && main_~a~0.offset == 0;myexit_#in~s := 1;havoc myexit_~s;myexit_~s := myexit_#in~s; 3#L525true [2021-08-31 02:38:58,228 INFO L793 eck$LassoCheckResult]: Loop: 3#L525true assume true; 3#L525true [2021-08-31 02:38:58,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:38:58,232 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-08-31 02:38:58,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:38:58,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669433180] [2021-08-31 02:38:58,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:38:58,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:38:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:38:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:38:58,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:38:58,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669433180] [2021-08-31 02:38:58,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669433180] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:38:58,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:38:58,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 02:38:58,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981981050] [2021-08-31 02:38:58,353 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 02:38:58,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:38:58,353 INFO L82 PathProgramCache]: Analyzing trace with hash 101, now seen corresponding path program 1 times [2021-08-31 02:38:58,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:38:58,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765293850] [2021-08-31 02:38:58,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:38:58,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:38:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:58,357 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:38:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:58,367 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:38:58,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:38:58,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 02:38:58,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 02:38:58,395 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:38:58,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:38:58,428 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-08-31 02:38:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 02:38:58,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-08-31 02:38:58,434 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-31 02:38:58,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 17 transitions. [2021-08-31 02:38:58,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-08-31 02:38:58,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-08-31 02:38:58,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2021-08-31 02:38:58,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:38:58,437 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-08-31 02:38:58,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2021-08-31 02:38:58,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-08-31 02:38:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:38:58,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-08-31 02:38:58,452 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-08-31 02:38:58,452 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-08-31 02:38:58,452 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 02:38:58,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-08-31 02:38:58,453 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-31 02:38:58,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:38:58,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:38:58,453 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 02:38:58,454 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 02:38:58,454 INFO L791 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 51#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 56#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 57#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 49#L537-2 [2021-08-31 02:38:58,454 INFO L793 eck$LassoCheckResult]: Loop: 49#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 58#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 48#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 49#L537-2 [2021-08-31 02:38:58,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:38:58,455 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2021-08-31 02:38:58,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:38:58,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571560333] [2021-08-31 02:38:58,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:38:58,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:38:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:58,466 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:38:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:58,477 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:38:58,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:38:58,478 INFO L82 PathProgramCache]: Analyzing trace with hash 48852, now seen corresponding path program 1 times [2021-08-31 02:38:58,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:38:58,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383464761] [2021-08-31 02:38:58,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:38:58,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:38:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:58,493 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:38:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:58,508 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:38:58,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:38:58,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1807773776, now seen corresponding path program 1 times [2021-08-31 02:38:58,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:38:58,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094165200] [2021-08-31 02:38:58,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:38:58,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:38:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:58,545 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:38:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:58,568 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:38:59,146 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:38:59,147 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:38:59,147 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:38:59,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:38:59,147 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 02:38:59,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:38:59,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:38:59,148 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:38:59,148 INFO L133 ssoRankerPreferences]: Filename of dumped script: simple-ext.i_Iteration2_Lasso [2021-08-31 02:38:59,148 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:38:59,148 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:38:59,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:38:59,717 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 02:38:59,722 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 02:38:59,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:38:59,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:38:59,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:38:59,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:38:59,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:38:59,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:38:59,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:38:59,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:38:59,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:38:59,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:38:59,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:38:59,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 02:38:59,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:38:59,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-31 02:38:59,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:38:59,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:38:59,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:38:59,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 02:38:59,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:38:59,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:38:59,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:38:59,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:38:59,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:38:59,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:38:59,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:38:59,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:38:59,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:38:59,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 02:38:59,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:38:59,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:38:59,800 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:38:59,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 02:38:59,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:38:59,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:38:59,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:38:59,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:38:59,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:38:59,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:38:59,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:38:59,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:38:59,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:38:59,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 02:38:59,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:38:59,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:38:59,829 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:38:59,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 02:38:59,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:38:59,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:38:59,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:38:59,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:38:59,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:38:59,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:38:59,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:38:59,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:38:59,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:38:59,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 02:38:59,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:38:59,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:38:59,864 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:38:59,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-31 02:38:59,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:38:59,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:38:59,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:38:59,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:38:59,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:38:59,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:38:59,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:38:59,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:38:59,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-31 02:38:59,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:38:59,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:38:59,899 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:38:59,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-31 02:38:59,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:38:59,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:38:59,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:38:59,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:38:59,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:38:59,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:38:59,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:38:59,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:38:59,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:38:59,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-08-31 02:38:59,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:38:59,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:38:59,936 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:38:59,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-31 02:38:59,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:38:59,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:38:59,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:38:59,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:38:59,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:38:59,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:38:59,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:38:59,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:38:59,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-08-31 02:38:59,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:38:59,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:38:59,995 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:38:59,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-31 02:38:59,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:00,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:00,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,037 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 [2021-08-31 02:39:00,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,049 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:00,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-31 02:39:00,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:00,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,115 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:00,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-31 02:39:00,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:00,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,146 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) [2021-08-31 02:39:00,147 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 [2021-08-31 02:39:00,148 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 [2021-08-31 02:39:00,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:00,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:00,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,187 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 [2021-08-31 02:39:00,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,188 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) [2021-08-31 02:39:00,189 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 [2021-08-31 02:39:00,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,228 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 [2021-08-31 02:39:00,228 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,229 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) [2021-08-31 02:39:00,229 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 [2021-08-31 02:39:00,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,268 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 [2021-08-31 02:39:00,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,269 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) [2021-08-31 02:39:00,270 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 [2021-08-31 02:39:00,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,278 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 02:39:00,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,279 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 02:39:00,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,309 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 [2021-08-31 02:39:00,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,310 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) [2021-08-31 02:39:00,311 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 [2021-08-31 02:39:00,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:00,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,353 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) [2021-08-31 02:39:00,354 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 [2021-08-31 02:39:00,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:00,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:00,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:00,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,397 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) [2021-08-31 02:39:00,398 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 [2021-08-31 02:39:00,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:00,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,437 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) [2021-08-31 02:39:00,438 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 [2021-08-31 02:39:00,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,477 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 [2021-08-31 02:39:00,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,478 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:00,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-31 02:39:00,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:00,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,519 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:00,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-31 02:39:00,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:00,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,560 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:00,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-31 02:39:00,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:00,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,644 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:00,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-31 02:39:00,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:00,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,686 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:00,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-31 02:39:00,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:00,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:00,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-08-31 02:39:00,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,781 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:00,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-31 02:39:00,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:00,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:00,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:00,833 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,833 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:00,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-31 02:39:00,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:00,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:00,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:00,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,921 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:00,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-31 02:39:00,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:00,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:00,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:00,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:00,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-08-31 02:39:00,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:00,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:00,947 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:00,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:00,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:00,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:00,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:00,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:00,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:00,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:00,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-31 02:39:00,973 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 02:39:01,004 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-08-31 02:39:01,005 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-08-31 02:39:01,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:01,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:01,009 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:01,029 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 02:39:01,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-31 02:39:01,053 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 02:39:01,053 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 02:39:01,053 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 59 Supporting invariants [] [2021-08-31 02:39:01,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:01,118 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2021-08-31 02:39:01,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:01,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 02:39:01,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:01,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 02:39:01,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:01,187 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 [2021-08-31 02:39:01,188 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-08-31 02:39:01,230 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) Result 19 states and 26 transitions. Complement of second has 7 states. [2021-08-31 02:39:01,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 02:39:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-08-31 02:39:01,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-08-31 02:39:01,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 3 letters. [2021-08-31 02:39:01,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:01,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 3 letters. [2021-08-31 02:39:01,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:01,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 6 letters. [2021-08-31 02:39:01,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:01,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2021-08-31 02:39:01,235 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-08-31 02:39:01,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 16 states and 21 transitions. [2021-08-31 02:39:01,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 02:39:01,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-08-31 02:39:01,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-08-31 02:39:01,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 02:39:01,236 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-08-31 02:39:01,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-08-31 02:39:01,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-08-31 02:39:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-08-31 02:39:01,237 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-08-31 02:39:01,237 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-08-31 02:39:01,237 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 02:39:01,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-08-31 02:39:01,239 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-08-31 02:39:01,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:01,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:01,240 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 02:39:01,240 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 02:39:01,240 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 161#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 166#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 167#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 168#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 163#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 164#L549-2 [2021-08-31 02:39:01,241 INFO L793 eck$LassoCheckResult]: Loop: 164#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 172#L550 assume !(1 != main_#t~mem10);havoc main_#t~mem10; 173#L550-2 call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~mem11.base, main_#t~mem11.offset;main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 164#L549-2 [2021-08-31 02:39:01,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:01,241 INFO L82 PathProgramCache]: Analyzing trace with hash 889599219, now seen corresponding path program 1 times [2021-08-31 02:39:01,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:01,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050620875] [2021-08-31 02:39:01,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:01,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,272 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,297 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:01,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:01,299 INFO L82 PathProgramCache]: Analyzing trace with hash 69737, now seen corresponding path program 1 times [2021-08-31 02:39:01,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:01,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658121076] [2021-08-31 02:39:01,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:01,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,310 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,330 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:01,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:01,331 INFO L82 PathProgramCache]: Analyzing trace with hash 2102156855, now seen corresponding path program 1 times [2021-08-31 02:39:01,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:01,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398203695] [2021-08-31 02:39:01,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:01,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:01,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:01,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398203695] [2021-08-31 02:39:01,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398203695] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:39:01,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:39:01,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 02:39:01,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930081487] [2021-08-31 02:39:01,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:01,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 02:39:01,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 02:39:01,488 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:01,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:01,563 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2021-08-31 02:39:01,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 02:39:01,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2021-08-31 02:39:01,565 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6 [2021-08-31 02:39:01,566 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 29 states and 35 transitions. [2021-08-31 02:39:01,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-08-31 02:39:01,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-08-31 02:39:01,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2021-08-31 02:39:01,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 02:39:01,566 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2021-08-31 02:39:01,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2021-08-31 02:39:01,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 18. [2021-08-31 02:39:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-08-31 02:39:01,568 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-08-31 02:39:01,568 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-08-31 02:39:01,568 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 02:39:01,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2021-08-31 02:39:01,569 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-08-31 02:39:01,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:01,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:01,569 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 02:39:01,569 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 02:39:01,569 INFO L791 eck$LassoCheckResult]: Stem: 220#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 221#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 226#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 227#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 231#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 228#L540 assume main_~t~0.base == 0 && main_~t~0.offset == 0;myexit_#in~s := 1;havoc myexit_~s;myexit_~s := myexit_#in~s; 229#L525-1 [2021-08-31 02:39:01,569 INFO L793 eck$LassoCheckResult]: Loop: 229#L525-1 assume true; 229#L525-1 [2021-08-31 02:39:01,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:01,569 INFO L82 PathProgramCache]: Analyzing trace with hash 889599272, now seen corresponding path program 1 times [2021-08-31 02:39:01,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:01,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412683677] [2021-08-31 02:39:01,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:01,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:01,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:01,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:01,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412683677] [2021-08-31 02:39:01,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412683677] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:39:01,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:39:01,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 02:39:01,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629151280] [2021-08-31 02:39:01,609 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 02:39:01,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:01,610 INFO L82 PathProgramCache]: Analyzing trace with hash 102, now seen corresponding path program 1 times [2021-08-31 02:39:01,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:01,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309405562] [2021-08-31 02:39:01,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:01,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,618 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,620 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:01,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:01,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 02:39:01,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 02:39:01,625 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:01,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:01,650 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2021-08-31 02:39:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 02:39:01,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-08-31 02:39:01,653 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-08-31 02:39:01,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 21 transitions. [2021-08-31 02:39:01,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-08-31 02:39:01,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-08-31 02:39:01,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-08-31 02:39:01,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:01,656 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-08-31 02:39:01,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-08-31 02:39:01,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-08-31 02:39:01,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:01,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-08-31 02:39:01,658 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-08-31 02:39:01,659 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-08-31 02:39:01,659 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 02:39:01,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-08-31 02:39:01,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 02:39:01,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:01,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:01,661 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:01,661 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 02:39:01,661 INFO L791 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 264#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 269#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 270#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 271#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 267#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 268#L549-2 assume !(main_~p~0.base != 0 || main_~p~0.offset != 0); 266#L549-3 main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; 265#L557-2 [2021-08-31 02:39:01,661 INFO L793 eck$LassoCheckResult]: Loop: 265#L557-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem13.base, main_#t~mem13.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~tmp~0.base, main_~tmp~0.offset := main_#t~mem13.base, main_#t~mem13.offset;havoc main_#t~mem13.base, main_#t~mem13.offset;call ULTIMATE.dealloc(main_~p~0.base, main_~p~0.offset);main_~p~0.base, main_~p~0.offset := main_~tmp~0.base, main_~tmp~0.offset; 265#L557-2 [2021-08-31 02:39:01,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:01,662 INFO L82 PathProgramCache]: Analyzing trace with hash 206358786, now seen corresponding path program 1 times [2021-08-31 02:39:01,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:01,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503616877] [2021-08-31 02:39:01,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:01,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:01,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:01,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:01,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503616877] [2021-08-31 02:39:01,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503616877] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:39:01,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:39:01,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 02:39:01,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585852826] [2021-08-31 02:39:01,699 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 02:39:01,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:01,700 INFO L82 PathProgramCache]: Analyzing trace with hash 93, now seen corresponding path program 1 times [2021-08-31 02:39:01,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:01,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789491033] [2021-08-31 02:39:01,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:01,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,706 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,713 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:01,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-08-31 02:39:01,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:01,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-31 02:39:01,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-31 02:39:01,794 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:01,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:01,823 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2021-08-31 02:39:01,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-31 02:39:01,824 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2021-08-31 02:39:01,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 02:39:01,825 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 22 transitions. [2021-08-31 02:39:01,825 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-08-31 02:39:01,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-08-31 02:39:01,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2021-08-31 02:39:01,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:01,826 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-08-31 02:39:01,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2021-08-31 02:39:01,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2021-08-31 02:39:01,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-08-31 02:39:01,827 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-08-31 02:39:01,827 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-08-31 02:39:01,827 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 02:39:01,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2021-08-31 02:39:01,828 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 02:39:01,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:01,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:01,828 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:01,828 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 02:39:01,828 INFO L791 eck$LassoCheckResult]: Stem: 310#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 311#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 316#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 317#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 319#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 318#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 308#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 309#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 313#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 314#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 320#L550 [2021-08-31 02:39:01,829 INFO L793 eck$LassoCheckResult]: Loop: 320#L550 assume !(1 != main_#t~mem10);havoc main_#t~mem10; 321#L550-2 call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~mem11.base, main_#t~mem11.offset;main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 322#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 320#L550 [2021-08-31 02:39:01,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:01,829 INFO L82 PathProgramCache]: Analyzing trace with hash 793653610, now seen corresponding path program 1 times [2021-08-31 02:39:01,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:01,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039322180] [2021-08-31 02:39:01,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:01,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,841 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,854 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:01,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:01,855 INFO L82 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 2 times [2021-08-31 02:39:01,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:01,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261466686] [2021-08-31 02:39:01,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:01,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,859 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:01,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:01,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:01,862 INFO L82 PathProgramCache]: Analyzing trace with hash -60222244, now seen corresponding path program 1 times [2021-08-31 02:39:01,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:01,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183904010] [2021-08-31 02:39:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:01,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:01,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:01,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183904010] [2021-08-31 02:39:01,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183904010] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 02:39:01,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913345381] [2021-08-31 02:39:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:01,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:01,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:01,957 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:01,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-08-31 02:39:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:02,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-31 02:39:02,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:02,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-31 02:39:02,068 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-31 02:39:02,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-08-31 02:39:02,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-31 02:39:02,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-08-31 02:39:02,157 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-08-31 02:39:02,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 22 [2021-08-31 02:39:02,177 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-08-31 02:39:02,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 16 [2021-08-31 02:39:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:02,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 02:39:03,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 769 treesize of output 761 [2021-08-31 02:39:03,571 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-08-31 02:39:03,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 761 treesize of output 760 [2021-08-31 02:39:03,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:03,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913345381] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 02:39:03,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 02:39:03,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 18 [2021-08-31 02:39:03,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19316100] [2021-08-31 02:39:03,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:03,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-31 02:39:03,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=251, Unknown=1, NotChecked=0, Total=306 [2021-08-31 02:39:03,823 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:03,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:03,953 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2021-08-31 02:39:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-31 02:39:03,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 27 transitions. [2021-08-31 02:39:03,955 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 02:39:03,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 22 states and 24 transitions. [2021-08-31 02:39:03,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-08-31 02:39:03,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-08-31 02:39:03,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2021-08-31 02:39:03,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:03,955 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-08-31 02:39:03,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2021-08-31 02:39:03,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2021-08-31 02:39:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:03,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-08-31 02:39:03,956 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-08-31 02:39:03,956 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-08-31 02:39:03,956 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-31 02:39:03,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2021-08-31 02:39:03,957 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 02:39:03,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:03,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:03,957 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:03,957 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 02:39:03,957 INFO L791 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 452#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 457#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 458#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 459#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 462#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 449#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 450#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 460#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 461#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 466#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 454#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 455#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 463#L550 [2021-08-31 02:39:03,958 INFO L793 eck$LassoCheckResult]: Loop: 463#L550 assume !(1 != main_#t~mem10);havoc main_#t~mem10; 464#L550-2 call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~mem11.base, main_#t~mem11.offset;main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 465#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 463#L550 [2021-08-31 02:39:03,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:03,958 INFO L82 PathProgramCache]: Analyzing trace with hash -8921739, now seen corresponding path program 2 times [2021-08-31 02:39:03,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:03,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477048804] [2021-08-31 02:39:03,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:03,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:03,971 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:04,005 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:04,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:04,005 INFO L82 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 3 times [2021-08-31 02:39:04,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:04,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123535857] [2021-08-31 02:39:04,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:04,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:04,009 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:04,011 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:04,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:04,012 INFO L82 PathProgramCache]: Analyzing trace with hash 500492529, now seen corresponding path program 2 times [2021-08-31 02:39:04,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:04,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469463884] [2021-08-31 02:39:04,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:04,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:04,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:04,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469463884] [2021-08-31 02:39:04,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469463884] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 02:39:04,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666906755] [2021-08-31 02:39:04,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 02:39:04,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:04,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:04,098 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:04,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-08-31 02:39:04,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-31 02:39:04,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-31 02:39:04,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 36 conjunts are in the unsatisfiable core [2021-08-31 02:39:04,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:04,187 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-31 02:39:04,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-08-31 02:39:04,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-31 02:39:04,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-31 02:39:04,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-08-31 02:39:04,260 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-31 02:39:04,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-08-31 02:39:04,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-08-31 02:39:04,304 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-08-31 02:39:04,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2021-08-31 02:39:04,348 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-08-31 02:39:04,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 22 [2021-08-31 02:39:04,371 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-08-31 02:39:04,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 16 [2021-08-31 02:39:04,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:04,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 02:39:16,652 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-08-31 02:39:16,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 105 [2021-08-31 02:39:21,642 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~t~0.base_65 Int) (v_ULTIMATE.start_main_~p~0.offset_77 Int) (v_DerPreprocessor_9 Int) (v_ULTIMATE.start_main_~p~0.offset_75 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~i~0_31 Int) (v_ULTIMATE.start_main_~p~0.offset_79 Int) (ULTIMATE.start_main_~i~0 Int)) (or (= v_ULTIMATE.start_main_~t~0.base_65 c_ULTIMATE.start_main_~p~0.base) (< v_ULTIMATE.start_main_~p~0.offset_75 0) (< c_ULTIMATE.start_main_~a~0.offset v_ULTIMATE.start_main_~p~0.offset_75) (not (= (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| c_ULTIMATE.start_main_~p~0.base (store (select |c_#memory_int| c_ULTIMATE.start_main_~p~0.base) (+ c_ULTIMATE.start_main_~p~0.offset 4) v_DerPreprocessor_9)))) (store .cse1 c_ULTIMATE.start_main_~t~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~t~0.base) v_ULTIMATE.start_main_~p~0.offset_79 ULTIMATE.start_main_~i~0) (+ v_ULTIMATE.start_main_~p~0.offset_79 4) v_DerPreprocessor_8))))) (store .cse0 v_ULTIMATE.start_main_~t~0.base_65 (store (store (select .cse0 v_ULTIMATE.start_main_~t~0.base_65) v_ULTIMATE.start_main_~p~0.offset_77 v_ULTIMATE.start_main_~i~0_31) (+ v_ULTIMATE.start_main_~p~0.offset_77 4) v_DerPreprocessor_7))) c_ULTIMATE.start_main_~a~0.base) v_ULTIMATE.start_main_~p~0.offset_75) 1)))) is different from false [2021-08-31 02:39:21,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 416036 treesize of output 415012 [2021-08-31 02:39:23,261 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-08-31 02:39:23,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 415012 treesize of output 415011 [2021-08-31 02:39:36,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2021-08-31 02:39:36,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666906755] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 02:39:36,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 02:39:36,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 24 [2021-08-31 02:39:36,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277563940] [2021-08-31 02:39:36,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:36,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-31 02:39:36,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=425, Unknown=3, NotChecked=42, Total=552 [2021-08-31 02:39:36,672 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 5 Second operand has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:37,747 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ULTIMATE.start_main_~a~0.base c_ULTIMATE.start_main_~p~0.base) (= (select (select |c_#memory_int| c_ULTIMATE.start_main_~p~0.base) c_ULTIMATE.start_main_~p~0.offset) 0) (forall ((v_ULTIMATE.start_main_~t~0.base_65 Int) (v_ULTIMATE.start_main_~p~0.offset_77 Int) (v_DerPreprocessor_9 Int) (v_ULTIMATE.start_main_~p~0.offset_75 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~i~0_31 Int) (v_ULTIMATE.start_main_~p~0.offset_79 Int) (ULTIMATE.start_main_~i~0 Int)) (or (= v_ULTIMATE.start_main_~t~0.base_65 c_ULTIMATE.start_main_~p~0.base) (< v_ULTIMATE.start_main_~p~0.offset_75 0) (< c_ULTIMATE.start_main_~a~0.offset v_ULTIMATE.start_main_~p~0.offset_75) (not (= (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| c_ULTIMATE.start_main_~p~0.base (store (select |c_#memory_int| c_ULTIMATE.start_main_~p~0.base) (+ c_ULTIMATE.start_main_~p~0.offset 4) v_DerPreprocessor_9)))) (store .cse1 c_ULTIMATE.start_main_~t~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~t~0.base) v_ULTIMATE.start_main_~p~0.offset_79 ULTIMATE.start_main_~i~0) (+ v_ULTIMATE.start_main_~p~0.offset_79 4) v_DerPreprocessor_8))))) (store .cse0 v_ULTIMATE.start_main_~t~0.base_65 (store (store (select .cse0 v_ULTIMATE.start_main_~t~0.base_65) v_ULTIMATE.start_main_~p~0.offset_77 v_ULTIMATE.start_main_~i~0_31) (+ v_ULTIMATE.start_main_~p~0.offset_77 4) v_DerPreprocessor_7))) c_ULTIMATE.start_main_~a~0.base) v_ULTIMATE.start_main_~p~0.offset_75) 1)))) (= c_ULTIMATE.start_main_~i~0 0) (= c_ULTIMATE.start_main_~a~0.offset 0) (not (= c_ULTIMATE.start_main_~t~0.base c_ULTIMATE.start_main_~p~0.base)) (= c_ULTIMATE.start_main_~a~0.offset c_ULTIMATE.start_main_~p~0.offset)) is different from false [2021-08-31 02:39:38,730 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ULTIMATE.start_main_~a~0.base c_ULTIMATE.start_main_~p~0.base) (= (select (select |c_#memory_int| c_ULTIMATE.start_main_~p~0.base) c_ULTIMATE.start_main_~p~0.offset) 0) (forall ((v_ULTIMATE.start_main_~t~0.base_65 Int) (v_ULTIMATE.start_main_~p~0.offset_77 Int) (v_DerPreprocessor_9 Int) (v_ULTIMATE.start_main_~p~0.offset_75 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~i~0_31 Int) (v_ULTIMATE.start_main_~p~0.offset_79 Int) (ULTIMATE.start_main_~i~0 Int)) (or (= v_ULTIMATE.start_main_~t~0.base_65 c_ULTIMATE.start_main_~p~0.base) (< v_ULTIMATE.start_main_~p~0.offset_75 0) (< c_ULTIMATE.start_main_~a~0.offset v_ULTIMATE.start_main_~p~0.offset_75) (not (= (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| c_ULTIMATE.start_main_~p~0.base (store (select |c_#memory_int| c_ULTIMATE.start_main_~p~0.base) (+ c_ULTIMATE.start_main_~p~0.offset 4) v_DerPreprocessor_9)))) (store .cse1 c_ULTIMATE.start_main_~t~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~t~0.base) v_ULTIMATE.start_main_~p~0.offset_79 ULTIMATE.start_main_~i~0) (+ v_ULTIMATE.start_main_~p~0.offset_79 4) v_DerPreprocessor_8))))) (store .cse0 v_ULTIMATE.start_main_~t~0.base_65 (store (store (select .cse0 v_ULTIMATE.start_main_~t~0.base_65) v_ULTIMATE.start_main_~p~0.offset_77 v_ULTIMATE.start_main_~i~0_31) (+ v_ULTIMATE.start_main_~p~0.offset_77 4) v_DerPreprocessor_7))) c_ULTIMATE.start_main_~a~0.base) v_ULTIMATE.start_main_~p~0.offset_75) 1)))) (= c_ULTIMATE.start_main_~a~0.offset 0) (not (= c_ULTIMATE.start_main_~t~0.base c_ULTIMATE.start_main_~p~0.base)) (= c_ULTIMATE.start_main_~a~0.offset c_ULTIMATE.start_main_~p~0.offset)) is different from false [2021-08-31 02:39:38,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:38,822 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2021-08-31 02:39:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-31 02:39:38,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2021-08-31 02:39:38,822 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:39:38,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-08-31 02:39:38,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 02:39:38,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 02:39:38,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 02:39:38,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:38,823 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:39:38,823 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:39:38,823 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:39:38,823 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-31 02:39:38,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 02:39:38,823 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:39:38,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 02:39:38,825 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 02:39:38,826 INFO L158 Benchmark]: Toolchain (without parser) took 41150.39ms. Allocated memory was 71.3MB in the beginning and 868.2MB in the end (delta: 796.9MB). Free memory was 52.3MB in the beginning and 369.9MB in the end (delta: -317.6MB). Peak memory consumption was 479.4MB. Max. memory is 16.1GB. [2021-08-31 02:39:38,828 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:39:38,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.57ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 49.0MB in the end (delta: 3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 02:39:38,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.95ms. Allocated memory is still 71.3MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 02:39:38,829 INFO L158 Benchmark]: Boogie Preprocessor took 15.35ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 45.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 02:39:38,829 INFO L158 Benchmark]: RCFGBuilder took 180.30ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 35.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 02:39:38,829 INFO L158 Benchmark]: BuchiAutomizer took 40688.64ms. Allocated memory was 71.3MB in the beginning and 868.2MB in the end (delta: 796.9MB). Free memory was 35.3MB in the beginning and 369.9MB in the end (delta: -334.5MB). Peak memory consumption was 463.1MB. Max. memory is 16.1GB. [2021-08-31 02:39:38,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.57ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 49.0MB in the end (delta: 3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.95ms. Allocated memory is still 71.3MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.35ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 45.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 180.30ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 35.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 40688.64ms. Allocated memory was 71.3MB in the beginning and 868.2MB in the end (delta: 796.9MB). Free memory was 35.3MB in the beginning and 369.9MB in the end (delta: -334.5MB). Peak memory consumption was 463.1MB. 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 7 terminating modules (6 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 59 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 24 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 02:39:38,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:39,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:39,274 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...