./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-memory-alloca/array03-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 987435cc8130e848f1b087d0b65ab8d71c3dfa3c 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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*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_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 01:34:56,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:34:56,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:34:56,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:34:56,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:34:56,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:34:56,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:34:56,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:34:56,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:34:56,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:34:56,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:34:56,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:34:56,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:34:56,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:34:56,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:34:56,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:34:56,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:34:56,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:34:56,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:34:56,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:34:56,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:34:56,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:34:56,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:34:56,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:34:56,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:34:56,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:34:56,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:34:56,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:34:56,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:34:56,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:34:56,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:34:56,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:34:56,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:34:56,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:34:56,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:34:56,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:34:56,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:34:56,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:34:56,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:34:56,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:34:56,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:34:56,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:34:56,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:34:56,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:34:56,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:34:56,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:34:56,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:34:56,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:34:56,380 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:34:56,380 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:34:56,380 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:34:56,380 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:34:56,381 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:34:56,381 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:34:56,381 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:34:56,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:34:56,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:34:56,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:34:56,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:34:56,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:34:56,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:34:56,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:34:56,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:34:56,383 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:34:56,383 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:34:56,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:34:56,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:34:56,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:34:56,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:34:56,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:34:56,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:34:56,385 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:34:56,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987435cc8130e848f1b087d0b65ab8d71c3dfa3c [2021-08-31 01:34:56,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:34:56,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:34:56,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:34:56,637 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:34:56,638 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:34:56,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i [2021-08-31 01:34:56,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6c5705be/0279d24c66ba42cc8a9ed14127584576/FLAGbc9888af6 [2021-08-31 01:34:57,072 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:34:57,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i [2021-08-31 01:34:57,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6c5705be/0279d24c66ba42cc8a9ed14127584576/FLAGbc9888af6 [2021-08-31 01:34:57,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6c5705be/0279d24c66ba42cc8a9ed14127584576 [2021-08-31 01:34:57,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:34:57,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:34:57,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:34:57,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:34:57,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:34:57,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c8660e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57, skipping insertion in model container [2021-08-31 01:34:57,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:34:57,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:34:57,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:34:57,623 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:34:57,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:34:57,689 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:34:57,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57 WrapperNode [2021-08-31 01:34:57,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:34:57,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:34:57,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:34:57,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:34:57,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:34:57,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:34:57,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:34:57,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:34:57,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:34:57,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:34:57,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:34:57,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:34:57,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57" (1/1) ... [2021-08-31 01:34:57,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:57,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:57,774 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 01:34:57,833 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 01:34:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 01:34:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 01:34:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 01:34:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 01:34:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:34:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:34:58,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:34:58,052 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-31 01:34:58,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:34:58 BoogieIcfgContainer [2021-08-31 01:34:58,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:34:58,056 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:34:58,056 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:34:58,058 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:34:58,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:34:58,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:34:57" (1/3) ... [2021-08-31 01:34:58,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@714d608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:34:58, skipping insertion in model container [2021-08-31 01:34:58,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:34:58,059 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:34:57" (2/3) ... [2021-08-31 01:34:58,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@714d608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:34:58, skipping insertion in model container [2021-08-31 01:34:58,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:34:58,060 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:34:58" (3/3) ... [2021-08-31 01:34:58,061 INFO L389 chiAutomizerObserver]: Analyzing ICFG array03-alloca-1.i [2021-08-31 01:34:58,096 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:34:58,097 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:34:58,097 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:34:58,097 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:34:58,097 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:34:58,097 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:34:58,097 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:34:58,097 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:34:58,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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 01:34:58,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 01:34:58,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:58,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:58,126 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 01:34:58,126 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 01:34:58,126 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:34:58,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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 01:34:58,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 01:34:58,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:58,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:58,129 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 01:34:58,129 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 01:34:58,133 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 15#L567true assume !(main_~array_size~0 < 1); 16#L567-2true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 8#L551-3true [2021-08-31 01:34:58,134 INFO L793 eck$LassoCheckResult]: Loop: 8#L551-3true assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 11#L553true assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 9#L558-2true assume !true; 7#L558-3true call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 13#L551-2true test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 8#L551-3true [2021-08-31 01:34:58,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:58,137 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-08-31 01:34:58,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:58,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663500436] [2021-08-31 01:34:58,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:58,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:58,214 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:58,249 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:58,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:58,252 INFO L82 PathProgramCache]: Analyzing trace with hash 44963621, now seen corresponding path program 1 times [2021-08-31 01:34:58,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:58,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902765262] [2021-08-31 01:34:58,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:58,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:58,324 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 01:34:58,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:34:58,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902765262] [2021-08-31 01:34:58,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902765262] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:34:58,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:34:58,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 01:34:58,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084095265] [2021-08-31 01:34:58,328 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 01:34:58,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:34:58,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-31 01:34:58,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-31 01:34:58,348 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 01:34:58,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:34:58,372 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-08-31 01:34:58,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 01:34:58,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-08-31 01:34:58,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 01:34:58,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 15 transitions. [2021-08-31 01:34:58,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 01:34:58,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-31 01:34:58,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2021-08-31 01:34:58,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:34:58,381 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-08-31 01:34:58,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2021-08-31 01:34:58,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-08-31 01:34:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 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 01:34:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2021-08-31 01:34:58,396 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-08-31 01:34:58,396 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-08-31 01:34:58,396 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 01:34:58,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2021-08-31 01:34:58,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 01:34:58,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:34:58,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:34:58,397 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 01:34:58,397 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-31 01:34:58,398 INFO L791 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 42#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 47#L567 assume !(main_~array_size~0 < 1); 48#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 44#L551-3 [2021-08-31 01:34:58,398 INFO L793 eck$LassoCheckResult]: Loop: 44#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 38#L553 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 39#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 45#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 46#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 43#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 44#L551-3 [2021-08-31 01:34:58,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:58,398 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-08-31 01:34:58,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:58,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738164054] [2021-08-31 01:34:58,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:58,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:58,405 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:58,412 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:58,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:58,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1393657929, now seen corresponding path program 1 times [2021-08-31 01:34:58,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:58,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777668553] [2021-08-31 01:34:58,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:58,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:58,421 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:58,427 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:58,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:58,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1898369747, now seen corresponding path program 1 times [2021-08-31 01:34:58,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:34:58,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065307351] [2021-08-31 01:34:58,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:34:58,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:34:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:58,438 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:34:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:34:58,451 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:34:58,698 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:34:58,698 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:34:58,698 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:34:58,699 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:34:58,699 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:34:58,699 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:58,699 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:34:58,699 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:34:58,699 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration2_Lasso [2021-08-31 01:34:58,699 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:34:58,699 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:34:58,711 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 01:34:58,715 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 01:34:58,716 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 01:34:58,718 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 01:34:58,719 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 01:34:58,721 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 01:34:58,723 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 01:34:58,725 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 01:34:58,727 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 01:34:58,728 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 01:34:58,733 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 01:34:58,815 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 01:34:58,817 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 01:34:58,819 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 01:34:58,821 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 01:34:59,016 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:34:59,018 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:34:59,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,081 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 01:34:59,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 01:34:59,113 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 01:34:59,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:59,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:59,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:59,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,144 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 01:34:59,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,145 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 01:34:59,146 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 01:34:59,147 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 01:34:59,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:59,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:59,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:59,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,186 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 01:34:59,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,188 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 01:34:59,189 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 01:34:59,190 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 01:34:59,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:59,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:59,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:59,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,251 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 01:34:59,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,253 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 01:34:59,254 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 01:34:59,255 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 01:34:59,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:59,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:59,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:59,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,294 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 01:34:59,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,295 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 01:34:59,296 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 01:34:59,297 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 01:34:59,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,338 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 01:34:59,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,340 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 01:34:59,341 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 01:34:59,342 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 01:34:59,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:59,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:59,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:59,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:59,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,413 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 01:34:59,421 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 01:34:59,422 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 01:34:59,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:59,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,492 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 01:34:59,509 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 01:34:59,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,521 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 01:34:59,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,547 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 01:34:59,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,548 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 01:34:59,549 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 01:34:59,550 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 01:34:59,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:59,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:59,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:59,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,590 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 01:34:59,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,591 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 01:34:59,592 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 01:34:59,593 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 01:34:59,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:59,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:59,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:59,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,626 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 01:34:59,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,627 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 01:34:59,628 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 01:34:59,630 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 01:34:59,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:59,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:59,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:59,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-31 01:34:59,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,668 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 01:34:59,669 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 01:34:59,670 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 01:34:59,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:34:59,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:34:59,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:34:59,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-08-31 01:34:59,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,698 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 01:34:59,700 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 01:34:59,700 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 01:34:59,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-31 01:34:59,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,729 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 01:34:59,730 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 01:34:59,731 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 01:34:59,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:34:59,787 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 01:34:59,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,788 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 01:34:59,791 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 01:34:59,793 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 01:34:59,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:34:59,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:34:59,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:34:59,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:34:59,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:34:59,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:34:59,849 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:34:59,868 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-08-31 01:34:59,868 INFO L444 ModelExtractionUtils]: 21 out of 34 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-31 01:34:59,869 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:34:59,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:34:59,885 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 01:34:59,900 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:34:59,908 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 01:34:59,917 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 01:34:59,918 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:34:59,918 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2021-08-31 01:34:59,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-08-31 01:34:59,940 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-08-31 01:34:59,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:34:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:34:59,991 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 01:34:59,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:34:59,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:00,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:35:00,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:00,043 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 01:35:00,045 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 01:35:00,046 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 01:35:00,080 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 18 states and 26 transitions. Complement of second has 4 states. [2021-08-31 01:35:00,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:35:00,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 01:35:00,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-08-31 01:35:00,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 6 letters. [2021-08-31 01:35:00,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:00,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2021-08-31 01:35:00,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:00,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 12 letters. [2021-08-31 01:35:00,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:00,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 26 transitions. [2021-08-31 01:35:00,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:35:00,085 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 24 transitions. [2021-08-31 01:35:00,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-08-31 01:35:00,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-08-31 01:35:00,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 24 transitions. [2021-08-31 01:35:00,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:00,085 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-08-31 01:35:00,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 24 transitions. [2021-08-31 01:35:00,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-08-31 01:35:00,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 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 01:35:00,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 24 transitions. [2021-08-31 01:35:00,087 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-08-31 01:35:00,087 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-08-31 01:35:00,087 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 01:35:00,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 24 transitions. [2021-08-31 01:35:00,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:35:00,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:00,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:00,088 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 01:35:00,088 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:35:00,088 INFO L791 eck$LassoCheckResult]: Stem: 135#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 136#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 142#L567 assume !(main_~array_size~0 < 1); 143#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 144#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 129#L553 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 130#L558-2 [2021-08-31 01:35:00,089 INFO L793 eck$LassoCheckResult]: Loop: 130#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 139#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 130#L558-2 [2021-08-31 01:35:00,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:00,089 INFO L82 PathProgramCache]: Analyzing trace with hash 889568456, now seen corresponding path program 1 times [2021-08-31 01:35:00,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:00,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769240635] [2021-08-31 01:35:00,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:00,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:00,097 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:00,105 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:00,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:00,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2021-08-31 01:35:00,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:00,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335383278] [2021-08-31 01:35:00,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:00,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:00,109 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 01:35:00,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130911096] [2021-08-31 01:35:00,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:00,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:00,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:00,111 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:35:00,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-31 01:35:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:00,155 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:00,159 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:00,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:00,160 INFO L82 PathProgramCache]: Analyzing trace with hash 176795341, now seen corresponding path program 1 times [2021-08-31 01:35:00,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:00,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567439826] [2021-08-31 01:35:00,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:00,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:00,165 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 01:35:00,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [839754300] [2021-08-31 01:35:00,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:00,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:00,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:00,193 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:35:00,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-31 01:35:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:00,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:35:00,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:00,292 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 23 treesize of output 7 [2021-08-31 01:35:00,305 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 01:35:00,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-31 01:35:00,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:35:00,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567439826] [2021-08-31 01:35:00,306 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-31 01:35:00,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839754300] [2021-08-31 01:35:00,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839754300] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:35:00,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:35:00,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 01:35:00,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465997148] [2021-08-31 01:35:00,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:35:00,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 01:35:00,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 01:35:00,357 INFO L87 Difference]: Start difference. First operand 16 states and 24 transitions. cyclomatic complexity: 10 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 01:35:00,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:35:00,405 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2021-08-31 01:35:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 01:35:00,406 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-08-31 01:35:00,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:35:00,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 26 transitions. [2021-08-31 01:35:00,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-08-31 01:35:00,407 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-08-31 01:35:00,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2021-08-31 01:35:00,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:00,408 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-08-31 01:35:00,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2021-08-31 01:35:00,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-08-31 01:35:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 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 01:35:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-08-31 01:35:00,409 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-08-31 01:35:00,409 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-08-31 01:35:00,409 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 01:35:00,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-08-31 01:35:00,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:35:00,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:00,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:00,410 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:35:00,410 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:35:00,411 INFO L791 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 207#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 213#L567 assume !(main_~array_size~0 < 1); 214#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 215#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 199#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 200#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 204#L558-2 [2021-08-31 01:35:00,411 INFO L793 eck$LassoCheckResult]: Loop: 204#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 210#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 204#L558-2 [2021-08-31 01:35:00,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:00,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2021-08-31 01:35:00,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:00,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841432489] [2021-08-31 01:35:00,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:00,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:00,418 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:00,425 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:00,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:00,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 2 times [2021-08-31 01:35:00,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:00,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850585850] [2021-08-31 01:35:00,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:00,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:00,428 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 01:35:00,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [115011740] [2021-08-31 01:35:00,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 01:35:00,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:00,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:00,461 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:35:00,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-31 01:35:00,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-31 01:35:00,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 01:35:00,528 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:00,534 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:00,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:00,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1185742934, now seen corresponding path program 1 times [2021-08-31 01:35:00,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:00,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260004106] [2021-08-31 01:35:00,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:00,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:00,540 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 01:35:00,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1051783321] [2021-08-31 01:35:00,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:00,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:00,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:00,577 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:35:00,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-31 01:35:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:00,612 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:00,628 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:00,944 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:35:00,944 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:35:00,944 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:35:00,944 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:35:00,944 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:35:00,944 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:00,944 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:35:00,944 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:35:00,944 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration4_Lasso [2021-08-31 01:35:00,945 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:35:00,945 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:35:00,947 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 01:35:00,948 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 01:35:00,950 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 01:35:00,952 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 01:35:00,953 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 01:35:00,955 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 01:35:01,079 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 01:35:01,081 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 01:35:01,083 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 01:35:01,084 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 01:35:01,087 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 01:35:01,088 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 01:35:01,101 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 01:35:01,103 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 01:35:01,105 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 01:35:01,352 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:35:01,353 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:35:01,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:01,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:01,358 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 01:35:01,364 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 01:35:01,364 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 01:35:01,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:01,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:01,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:01,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:01,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:01,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:01,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:01,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:01,405 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 01:35:01,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:01,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:01,406 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 01:35:01,409 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 01:35:01,410 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 01:35:01,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:01,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:01,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:01,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:01,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:01,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:01,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:01,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:01,440 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 01:35:01,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:01,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:01,441 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 01:35:01,441 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 01:35:01,477 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 01:35:01,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:01,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:01,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:01,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:01,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:01,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:01,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:01,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:01,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:01,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:01,536 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 01:35:01,537 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 01:35:01,539 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 01:35:01,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:01,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:01,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:01,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:01,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:01,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:01,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:01,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:01,586 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 01:35:01,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:01,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:01,588 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 01:35:01,589 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 01:35:01,591 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 01:35:01,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:01,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:01,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:01,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:01,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:01,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:01,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:01,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:01,658 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 01:35:01,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:01,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:01,673 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 01:35:01,693 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 01:35:01,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:01,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:01,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:01,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:01,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:01,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:01,716 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 01:35:01,726 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:35:01,732 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-08-31 01:35:01,733 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-08-31 01:35:01,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:01,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:01,742 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 01:35:01,750 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 01:35:01,751 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:35:01,772 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 01:35:01,773 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:35:01,773 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] [2021-08-31 01:35:01,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:01,798 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-08-31 01:35:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:01,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:35:01,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:01,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 01:35:01,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:01,856 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 01:35:01,856 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 01:35:01,856 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 01:35:01,886 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) Result 40 states and 54 transitions. Complement of second has 7 states. [2021-08-31 01:35:01,886 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 01:35:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 01:35:01,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-08-31 01:35:01,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-31 01:35:01,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:01,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 2 letters. [2021-08-31 01:35:01,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:01,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2021-08-31 01:35:01,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:01,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 54 transitions. [2021-08-31 01:35:01,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 01:35:01,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 47 transitions. [2021-08-31 01:35:01,889 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-08-31 01:35:01,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-08-31 01:35:01,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 47 transitions. [2021-08-31 01:35:01,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:01,890 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 47 transitions. [2021-08-31 01:35:01,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 47 transitions. [2021-08-31 01:35:01,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2021-08-31 01:35:01,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 30 states have internal predecessors, (43), 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 01:35:01,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-08-31 01:35:01,893 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-08-31 01:35:01,893 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-08-31 01:35:01,893 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 01:35:01,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2021-08-31 01:35:01,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:35:01,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:01,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:01,894 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:35:01,894 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:35:01,894 INFO L791 eck$LassoCheckResult]: Stem: 329#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 330#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 338#L567 assume !(main_~array_size~0 < 1); 339#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 340#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 341#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 325#L555 assume test_fun_#t~mem4 < 0;havoc test_fun_#t~mem4;test_fun_~res~0 := 0; 326#L558-2 [2021-08-31 01:35:01,895 INFO L793 eck$LassoCheckResult]: Loop: 326#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 333#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 326#L558-2 [2021-08-31 01:35:01,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:01,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818447, now seen corresponding path program 1 times [2021-08-31 01:35:01,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:01,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725137468] [2021-08-31 01:35:01,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:01,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:01,902 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:01,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:01,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:01,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 3 times [2021-08-31 01:35:01,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:01,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909280851] [2021-08-31 01:35:01,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:01,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:01,911 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 01:35:01,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2079033739] [2021-08-31 01:35:01,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-31 01:35:01,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:01,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:01,914 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:35:02,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-08-31 01:35:02,033 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 01:35:02,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-08-31 01:35:02,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 01:35:02,047 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:02,051 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:02,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:02,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1185741012, now seen corresponding path program 1 times [2021-08-31 01:35:02,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:02,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695270070] [2021-08-31 01:35:02,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:02,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:02,057 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 01:35:02,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166572056] [2021-08-31 01:35:02,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:02,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:02,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:02,068 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 01:35:02,069 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 01:35:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:02,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:35:02,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:02,128 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 23 treesize of output 7 [2021-08-31 01:35:02,133 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 01:35:02,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-31 01:35:02,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:35:02,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695270070] [2021-08-31 01:35:02,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-31 01:35:02,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166572056] [2021-08-31 01:35:02,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166572056] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:35:02,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:35:02,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 01:35:02,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238460171] [2021-08-31 01:35:02,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:35:02,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 01:35:02,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 01:35:02,169 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. cyclomatic complexity: 16 Second operand has 5 states, 4 states have (on average 2.25) 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 01:35:02,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:35:02,211 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2021-08-31 01:35:02,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 01:35:02,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2021-08-31 01:35:02,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:35:02,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 33 states and 41 transitions. [2021-08-31 01:35:02,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-08-31 01:35:02,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-08-31 01:35:02,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2021-08-31 01:35:02,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:02,214 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-08-31 01:35:02,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2021-08-31 01:35:02,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2021-08-31 01:35:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 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 01:35:02,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-08-31 01:35:02,216 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-08-31 01:35:02,216 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-08-31 01:35:02,216 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 01:35:02,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2021-08-31 01:35:02,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:35:02,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:02,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:02,218 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:35:02,218 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:35:02,218 INFO L791 eck$LassoCheckResult]: Stem: 433#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 434#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 441#L567 assume !(main_~array_size~0 < 1); 442#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 443#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 426#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 428#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 439#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 444#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 448#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 447#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 445#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 424#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 425#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 429#L558-2 [2021-08-31 01:35:02,218 INFO L793 eck$LassoCheckResult]: Loop: 429#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 437#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 429#L558-2 [2021-08-31 01:35:02,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:02,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1864345184, now seen corresponding path program 1 times [2021-08-31 01:35:02,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:02,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629405068] [2021-08-31 01:35:02,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:02,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:35:02,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:35:02,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629405068] [2021-08-31 01:35:02,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629405068] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:35:02,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:35:02,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-31 01:35:02,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066517183] [2021-08-31 01:35:02,265 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 01:35:02,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:02,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 4 times [2021-08-31 01:35:02,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:02,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669460775] [2021-08-31 01:35:02,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:02,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:02,267 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 01:35:02,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1029622214] [2021-08-31 01:35:02,268 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-31 01:35:02,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:02,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:02,304 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 01:35:02,341 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 01:35:02,374 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-31 01:35:02,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 01:35:02,374 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:02,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:02,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:35:02,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 01:35:02,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-31 01:35:02,425 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 01:35:02,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:35:02,476 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2021-08-31 01:35:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 01:35:02,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2021-08-31 01:35:02,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:35:02,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 33 states and 41 transitions. [2021-08-31 01:35:02,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 01:35:02,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-31 01:35:02,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2021-08-31 01:35:02,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:02,479 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-08-31 01:35:02,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2021-08-31 01:35:02,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2021-08-31 01:35:02,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 29 states have internal predecessors, (38), 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 01:35:02,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2021-08-31 01:35:02,481 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-08-31 01:35:02,481 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-08-31 01:35:02,481 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-31 01:35:02,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 38 transitions. [2021-08-31 01:35:02,481 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:35:02,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:02,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:02,482 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:35:02,482 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:35:02,482 INFO L791 eck$LassoCheckResult]: Stem: 503#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 504#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 511#L567 assume !(main_~array_size~0 < 1); 512#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 513#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 514#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 523#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 515#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 516#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 525#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 520#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 519#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 518#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 517#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 496#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 497#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 501#L558-2 [2021-08-31 01:35:02,482 INFO L793 eck$LassoCheckResult]: Loop: 501#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 507#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 501#L558-2 [2021-08-31 01:35:02,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:02,483 INFO L82 PathProgramCache]: Analyzing trace with hash 221162235, now seen corresponding path program 1 times [2021-08-31 01:35:02,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:02,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397462419] [2021-08-31 01:35:02,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:02,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:02,489 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 01:35:02,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123605702] [2021-08-31 01:35:02,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:02,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:02,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:02,538 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:35:02,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-08-31 01:35:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:02,582 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:02,600 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:02,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:02,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 5 times [2021-08-31 01:35:02,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:02,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768895647] [2021-08-31 01:35:02,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:02,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:02,604 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 01:35:02,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [996771081] [2021-08-31 01:35:02,604 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-31 01:35:02,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:02,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:02,634 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:35:02,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-08-31 01:35:02,715 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-31 01:35:02,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 01:35:02,715 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:02,720 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:02,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:02,720 INFO L82 PathProgramCache]: Analyzing trace with hash 2083511360, now seen corresponding path program 2 times [2021-08-31 01:35:02,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:02,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378032694] [2021-08-31 01:35:02,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:02,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:02,734 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 01:35:02,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204048958] [2021-08-31 01:35:02,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 01:35:02,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:02,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:02,747 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:35:02,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-08-31 01:35:02,801 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-31 01:35:02,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 01:35:02,802 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:02,841 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:03,198 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:35:03,198 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:35:03,198 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:35:03,198 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:35:03,198 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:35:03,198 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:03,198 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:35:03,198 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:35:03,198 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration7_Lasso [2021-08-31 01:35:03,198 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:35:03,198 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:35:03,200 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 01:35:03,204 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 01:35:03,206 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 01:35:03,208 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 01:35:03,209 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 01:35:03,316 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 01:35:03,318 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 01:35:03,319 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 01:35:03,321 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 01:35:03,323 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 01:35:03,324 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 01:35:03,325 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 01:35:03,327 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 01:35:03,328 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 01:35:03,329 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 01:35:03,509 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:35:03,510 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:35:03,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:03,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:03,511 INFO L229 MonitoredProcess]: Starting monitored process 35 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 01:35:03,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-31 01:35:03,513 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 01:35:03,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:03,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:03,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:03,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:03,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:03,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:03,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:03,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:03,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:03,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:03,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:03,547 INFO L229 MonitoredProcess]: Starting monitored process 36 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 01:35:03,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-31 01:35:03,549 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 01:35:03,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:03,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:03,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:03,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:03,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:03,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:03,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:03,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:03,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:03,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:03,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:03,578 INFO L229 MonitoredProcess]: Starting monitored process 37 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 01:35:03,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-31 01:35:03,581 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 01:35:03,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:03,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:03,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:03,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:03,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:03,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:03,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:03,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-08-31 01:35:03,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:03,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:03,609 INFO L229 MonitoredProcess]: Starting monitored process 38 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 01:35:03,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-31 01:35:03,611 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 01:35:03,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:03,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:03,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:03,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:03,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:03,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:03,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:03,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-31 01:35:03,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:03,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:03,644 INFO L229 MonitoredProcess]: Starting monitored process 39 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 01:35:03,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-31 01:35:03,646 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 01:35:03,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:03,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:03,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:03,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:03,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:03,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:03,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:03,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-31 01:35:03,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:03,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:03,689 INFO L229 MonitoredProcess]: Starting monitored process 40 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 01:35:03,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-31 01:35:03,691 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 01:35:03,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:03,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:03,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:03,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:03,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:03,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:03,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:03,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:03,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:03,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:03,751 INFO L229 MonitoredProcess]: Starting monitored process 41 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 01:35:03,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-31 01:35:03,753 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 01:35:03,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:03,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:03,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:03,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:03,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:03,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:03,777 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:35:03,781 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-08-31 01:35:03,781 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-08-31 01:35:03,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:03,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:03,787 INFO L229 MonitoredProcess]: Starting monitored process 42 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 01:35:03,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-31 01:35:03,789 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:35:03,810 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 01:35:03,810 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:35:03,810 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_3 Supporting invariants [] [2021-08-31 01:35:03,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:03,833 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-08-31 01:35:03,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:03,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:03,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:35:03,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:03,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 01:35:03,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:03,958 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 01:35:03,958 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 01:35:03,958 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 01:35:03,984 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 35 states and 44 transitions. Complement of second has 7 states. [2021-08-31 01:35:03,984 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 01:35:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 01:35:03,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-08-31 01:35:03,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2021-08-31 01:35:03,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:03,985 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:35:03,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:04,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:35:04,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:04,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 01:35:04,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:04,064 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 01:35:04,064 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-31 01:35:04,065 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 01:35:04,086 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 35 states and 44 transitions. Complement of second has 7 states. [2021-08-31 01:35:04,086 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 01:35:04,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 01:35:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-08-31 01:35:04,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2021-08-31 01:35:04,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:04,087 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:35:04,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:04,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:35:04,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:04,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 01:35:04,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:04,161 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 01:35:04,162 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-31 01:35:04,162 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 01:35:04,188 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 39 states and 50 transitions. Complement of second has 6 states. [2021-08-31 01:35:04,189 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 01:35:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 01:35:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-08-31 01:35:04,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 2 letters. [2021-08-31 01:35:04,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:04,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 2 letters. [2021-08-31 01:35:04,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:04,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 4 letters. [2021-08-31 01:35:04,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:04,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-08-31 01:35:04,192 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:35:04,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2021-08-31 01:35:04,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 01:35:04,193 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 01:35:04,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 01:35:04,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:35:04,193 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:35:04,193 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:35:04,193 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:35:04,193 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-31 01:35:04,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 01:35:04,193 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:35:04,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 01:35:04,195 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 01:35:04,198 INFO L158 Benchmark]: Toolchain (without parser) took 6743.02ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 43.7MB in the beginning and 55.3MB in the end (delta: -11.6MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-08-31 01:35:04,198 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:35:04,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.81ms. Allocated memory is still 60.8MB. Free memory was 43.5MB in the beginning and 38.7MB in the end (delta: 4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 01:35:04,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.39ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 37.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:35:04,199 INFO L158 Benchmark]: Boogie Preprocessor took 13.14ms. Allocated memory is still 60.8MB. Free memory was 36.9MB in the beginning and 35.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:35:04,199 INFO L158 Benchmark]: RCFGBuilder took 327.53ms. Allocated memory is still 60.8MB. Free memory was 35.7MB in the beginning and 40.3MB in the end (delta: -4.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-08-31 01:35:04,199 INFO L158 Benchmark]: BuchiAutomizer took 6141.63ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 40.3MB in the beginning and 55.3MB in the end (delta: -15.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2021-08-31 01:35:04,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.81ms. Allocated memory is still 60.8MB. Free memory was 43.5MB in the beginning and 38.7MB in the end (delta: 4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.39ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 37.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.14ms. Allocated memory is still 60.8MB. Free memory was 36.9MB in the beginning and 35.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 327.53ms. Allocated memory is still 60.8MB. Free memory was 35.7MB in the beginning and 40.3MB in the end (delta: -4.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 6141.63ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 40.3MB in the beginning and 55.3MB in the end (delta: -15.0MB). Peak memory consumption was 32.3MB. 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 (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 6 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 01:35:04,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:04,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:04,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:04,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2021-08-31 01:35:05,038 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 01:35:05,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:05,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-08-31 01:35:05,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-08-31 01:35:05,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:06,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:06,241 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...