./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5be2e30df948ebd6000c3afde848283ab7f83dcc 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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*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 05:21:40,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 05:21:40,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 05:21:40,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 05:21:40,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 05:21:40,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 05:21:40,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 05:21:40,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 05:21:40,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 05:21:40,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 05:21:40,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 05:21:40,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 05:21:40,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 05:21:40,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 05:21:40,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 05:21:40,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 05:21:40,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 05:21:40,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 05:21:40,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 05:21:40,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 05:21:40,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 05:21:40,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 05:21:40,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 05:21:40,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 05:21:40,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 05:21:40,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 05:21:40,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 05:21:40,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 05:21:40,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 05:21:40,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 05:21:40,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 05:21:40,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 05:21:40,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 05:21:40,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 05:21:40,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 05:21:40,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 05:21:40,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 05:21:40,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 05:21:40,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 05:21:40,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 05:21:40,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 05:21:40,382 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 05:21:40,406 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 05:21:40,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 05:21:40,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 05:21:40,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 05:21:40,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 05:21:40,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 05:21:40,409 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 05:21:40,409 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 05:21:40,409 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 05:21:40,409 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 05:21:40,409 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 05:21:40,410 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 05:21:40,410 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 05:21:40,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 05:21:40,410 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 05:21:40,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 05:21:40,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 05:21:40,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 05:21:40,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 05:21:40,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 05:21:40,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 05:21:40,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 05:21:40,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 05:21:40,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 05:21:40,417 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 05:21:40,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 05:21:40,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 05:21:40,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 05:21:40,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 05:21:40,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 05:21:40,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 05:21:40,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 05:21:40,419 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 05:21:40,419 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5be2e30df948ebd6000c3afde848283ab7f83dcc [2021-08-31 05:21:40,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 05:21:40,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 05:21:40,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 05:21:40,697 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 05:21:40,700 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 05:21:40,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2021-08-31 05:21:40,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ed16876c/92fd6286dc2948acb51c1470be6d083f/FLAG5ea865271 [2021-08-31 05:21:41,150 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 05:21:41,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2021-08-31 05:21:41,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ed16876c/92fd6286dc2948acb51c1470be6d083f/FLAG5ea865271 [2021-08-31 05:21:41,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ed16876c/92fd6286dc2948acb51c1470be6d083f [2021-08-31 05:21:41,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 05:21:41,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 05:21:41,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 05:21:41,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 05:21:41,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 05:21:41,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:41,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ae9c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41, skipping insertion in model container [2021-08-31 05:21:41,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:41,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 05:21:41,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 05:21:41,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:21:41,897 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 05:21:41,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:21:41,994 INFO L208 MainTranslator]: Completed translation [2021-08-31 05:21:41,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41 WrapperNode [2021-08-31 05:21:41,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 05:21:41,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 05:21:41,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 05:21:41,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 05:21:42,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:42,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:42,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 05:21:42,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 05:21:42,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 05:21:42,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 05:21:42,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:42,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:42,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:42,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:42,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:42,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:42,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:42,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 05:21:42,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 05:21:42,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 05:21:42,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 05:21:42,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41" (1/1) ... [2021-08-31 05:21:42,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:42,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:42,123 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 05:21:42,127 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 05:21:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-31 05:21:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-31 05:21:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 05:21:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-31 05:21:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 05:21:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-31 05:21:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 05:21:42,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 05:21:42,274 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 05:21:42,274 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-08-31 05:21:42,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:21:42 BoogieIcfgContainer [2021-08-31 05:21:42,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 05:21:42,276 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 05:21:42,276 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 05:21:42,278 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 05:21:42,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:21:42,278 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 05:21:41" (1/3) ... [2021-08-31 05:21:42,279 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4aba7a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:21:42, skipping insertion in model container [2021-08-31 05:21:42,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:21:42,279 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:21:41" (2/3) ... [2021-08-31 05:21:42,279 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4aba7a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:21:42, skipping insertion in model container [2021-08-31 05:21:42,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:21:42,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:21:42" (3/3) ... [2021-08-31 05:21:42,280 INFO L389 chiAutomizerObserver]: Analyzing ICFG memleaks_test17_1-2.i [2021-08-31 05:21:42,306 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 05:21:42,306 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 05:21:42,306 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 05:21:42,306 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 05:21:42,306 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 05:21:42,307 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 05:21:42,307 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 05:21:42,307 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 05:21:42,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 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 05:21:42,341 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-08-31 05:21:42,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:21:42,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:21:42,347 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 05:21:42,347 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:21:42,347 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 05:21:42,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 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 05:21:42,349 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-08-31 05:21:42,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:21:42,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:21:42,350 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 05:21:42,350 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:21:42,353 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 12#L-1true havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 17#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 10#L529true entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 6#L787true assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 19#L788-3true [2021-08-31 05:21:42,353 INFO L793 eck$LassoCheckResult]: Loop: 19#L788-3true assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 3#L788-2true entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 19#L788-3true [2021-08-31 05:21:42,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:42,356 INFO L82 PathProgramCache]: Analyzing trace with hash 28695751, now seen corresponding path program 1 times [2021-08-31 05:21:42,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:42,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787673066] [2021-08-31 05:21:42,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:42,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:21:42,575 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 05:21:42,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:21:42,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787673066] [2021-08-31 05:21:42,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787673066] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:21:42,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:21:42,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 05:21:42,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974751850] [2021-08-31 05:21:42,580 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:21:42,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:42,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1603, now seen corresponding path program 1 times [2021-08-31 05:21:42,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:42,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485980529] [2021-08-31 05:21:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:42,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:42,588 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:21:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:42,621 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:21:42,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:21:42,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-31 05:21:42,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-31 05:21:42,776 INFO L87 Difference]: Start difference. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 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) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 05:21:42,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:21:42,913 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2021-08-31 05:21:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 05:21:42,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 53 transitions. [2021-08-31 05:21:42,919 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 19 [2021-08-31 05:21:42,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 33 states and 41 transitions. [2021-08-31 05:21:42,922 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-08-31 05:21:42,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-08-31 05:21:42,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2021-08-31 05:21:42,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:21:42,924 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-08-31 05:21:42,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2021-08-31 05:21:42,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2021-08-31 05:21:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 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 05:21:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-08-31 05:21:42,940 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-08-31 05:21:42,940 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-08-31 05:21:42,940 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 05:21:42,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2021-08-31 05:21:42,941 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-08-31 05:21:42,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:21:42,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:21:42,941 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 05:21:42,942 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:21:42,942 INFO L791 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 84#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 94#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 90#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 85#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 82#L788-3 [2021-08-31 05:21:42,942 INFO L793 eck$LassoCheckResult]: Loop: 82#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 81#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 82#L788-3 [2021-08-31 05:21:42,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:42,943 INFO L82 PathProgramCache]: Analyzing trace with hash 28693829, now seen corresponding path program 1 times [2021-08-31 05:21:42,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:42,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701569005] [2021-08-31 05:21:42,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:42,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:42,951 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:21:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:42,959 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:21:42,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:42,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1603, now seen corresponding path program 2 times [2021-08-31 05:21:42,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:42,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371419208] [2021-08-31 05:21:42,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:42,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:42,966 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:21:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:42,971 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:21:42,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:42,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966535, now seen corresponding path program 1 times [2021-08-31 05:21:42,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:42,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709129364] [2021-08-31 05:21:42,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:42,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:42,982 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:21:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:42,994 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:21:43,353 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:21:43,354 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:21:43,354 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:21:43,354 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:21:43,354 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:21:43,354 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:43,354 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:21:43,354 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:21:43,355 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_1-2.i_Iteration2_Lasso [2021-08-31 05:21:43,355 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:21:43,355 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:21:43,367 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 05:21:43,371 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 05:21:43,373 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 05:21:43,374 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 05:21:43,519 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 05:21:43,522 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 05:21:43,524 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 05:21:43,526 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 05:21:43,528 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 05:21:43,530 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 05:21:43,532 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 05:21:43,534 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 05:21:43,536 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 05:21:43,538 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 05:21:43,540 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 05:21:43,837 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:21:43,840 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:21:43,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:43,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:43,843 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 05:21:43,849 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 05:21:43,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:43,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:43,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:43,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:43,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:43,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:43,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:43,861 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 05:21:43,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:43,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-31 05:21:43,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:43,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:43,890 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 05:21:43,891 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 05:21:43,893 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 05:21:43,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:43,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:43,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:43,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:43,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:43,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:43,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:43,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:43,933 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 05:21:43,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:43,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:43,934 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 05:21:43,935 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 05:21:43,937 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 05:21:43,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:43,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:43,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:43,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:43,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:43,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:43,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:43,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:43,975 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 05:21:43,975 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:43,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:43,976 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 05:21:43,977 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 05:21:43,978 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 05:21:43,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:43,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:43,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:43,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:43,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:43,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:44,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:44,017 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 05:21:44,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:44,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:44,019 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 05:21:44,020 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 05:21:44,021 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 05:21:44,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:44,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:44,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:44,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:44,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:44,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:44,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:44,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:44,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-08-31 05:21:44,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:44,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:44,048 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 05:21:44,049 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 05:21:44,050 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 05:21:44,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:44,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:44,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:44,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:44,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:44,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:44,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:44,085 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 05:21:44,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:44,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:44,086 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 05:21:44,087 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 05:21:44,088 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 05:21:44,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:44,095 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-31 05:21:44,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:44,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:44,102 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-31 05:21:44,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:44,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:44,134 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 05:21:44,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:44,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:44,135 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 05:21:44,136 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 05:21:44,137 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 05:21:44,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:44,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:44,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:44,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:44,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:44,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:44,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:44,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:44,175 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 05:21:44,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:44,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:44,176 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 05:21:44,177 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 05:21:44,178 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 05:21:44,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:44,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:44,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:44,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:44,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:44,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:44,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:44,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-08-31 05:21:44,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:44,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:44,221 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 05:21:44,222 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 05:21:44,224 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 05:21:44,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:44,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:44,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:44,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:44,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:44,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:44,254 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:21:44,281 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-08-31 05:21:44,281 INFO L444 ModelExtractionUtils]: 21 out of 37 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-08-31 05:21:44,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:44,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:44,283 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 05:21:44,284 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 05:21:44,285 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:21:44,306 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:21:44,307 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:21:44,307 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0, ULTIMATE.start_entry_point_~i~2) = 1*ULTIMATE.start_entry_point_~len~0 - 1*ULTIMATE.start_entry_point_~i~2 Supporting invariants [] [2021-08-31 05:21:44,326 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 05:21:44,337 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-08-31 05:21:44,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:21:44,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:21:44,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:21:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:21:44,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:21:44,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:21:44,415 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 05:21:44,417 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 05:21:44,418 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:21:44,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-31 05:21:44,474 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 50 transitions. Complement of second has 6 states. [2021-08-31 05:21:44,474 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 05:21:44,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:21:44,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2021-08-31 05:21:44,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 5 letters. Loop has 2 letters. [2021-08-31 05:21:44,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:21:44,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-31 05:21:44,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:21:44,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 5 letters. Loop has 4 letters. [2021-08-31 05:21:44,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:21:44,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 50 transitions. [2021-08-31 05:21:44,478 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-08-31 05:21:44,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 22 states and 28 transitions. [2021-08-31 05:21:44,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-08-31 05:21:44,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-08-31 05:21:44,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-08-31 05:21:44,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:21:44,479 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-08-31 05:21:44,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-08-31 05:21:44,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-08-31 05:21:44,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:21:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-08-31 05:21:44,481 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-08-31 05:21:44,481 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-08-31 05:21:44,481 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 05:21:44,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-08-31 05:21:44,481 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-08-31 05:21:44,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:21:44,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:21:44,481 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:21:44,481 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 05:21:44,482 INFO L791 eck$LassoCheckResult]: Stem: 213#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 214#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 225#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 224#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 215#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 216#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 230#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 226#L764-3 [2021-08-31 05:21:44,482 INFO L793 eck$LassoCheckResult]: Loop: 226#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 232#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 231#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 221#L766 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 223#L764-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 226#L764-3 [2021-08-31 05:21:44,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:44,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966477, now seen corresponding path program 1 times [2021-08-31 05:21:44,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:44,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141540095] [2021-08-31 05:21:44,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:44,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:21:44,509 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 05:21:44,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:21:44,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141540095] [2021-08-31 05:21:44,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141540095] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:21:44,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:21:44,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 05:21:44,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64693990] [2021-08-31 05:21:44,509 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:21:44,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:44,510 INFO L82 PathProgramCache]: Analyzing trace with hash 61172007, now seen corresponding path program 1 times [2021-08-31 05:21:44,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:44,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398415964] [2021-08-31 05:21:44,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:44,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:44,517 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:21:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:44,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:21:44,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:21:44,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-31 05:21:44,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-31 05:21:44,705 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. cyclomatic complexity: 10 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:21:44,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:21:44,750 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2021-08-31 05:21:44,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-31 05:21:44,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-08-31 05:21:44,752 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-08-31 05:21:44,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 28 transitions. [2021-08-31 05:21:44,752 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-08-31 05:21:44,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-08-31 05:21:44,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-08-31 05:21:44,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:21:44,752 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-08-31 05:21:44,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-08-31 05:21:44,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-08-31 05:21:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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 05:21:44,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-08-31 05:21:44,754 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-08-31 05:21:44,754 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-08-31 05:21:44,754 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 05:21:44,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-08-31 05:21:44,754 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-08-31 05:21:44,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:21:44,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:21:44,755 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:21:44,755 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 05:21:44,755 INFO L791 eck$LassoCheckResult]: Stem: 265#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 266#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 277#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 276#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 267#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 268#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 263#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 264#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 282#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 278#L764-3 [2021-08-31 05:21:44,755 INFO L793 eck$LassoCheckResult]: Loop: 278#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 283#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 284#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 273#L766 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 275#L764-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 278#L764-3 [2021-08-31 05:21:44,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:44,755 INFO L82 PathProgramCache]: Analyzing trace with hash -593946865, now seen corresponding path program 1 times [2021-08-31 05:21:44,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:44,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726452448] [2021-08-31 05:21:44,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:44,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:21:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:21:44,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:21:44,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726452448] [2021-08-31 05:21:44,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726452448] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 05:21:44,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532038128] [2021-08-31 05:21:44,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:44,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 05:21:44,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:44,805 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 05:21:44,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-31 05:21:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:21:44,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:21:44,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:21:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:21:44,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 05:21:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:21:44,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532038128] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 05:21:44,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 05:21:44,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-08-31 05:21:44,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873653393] [2021-08-31 05:21:44,967 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:21:44,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:44,967 INFO L82 PathProgramCache]: Analyzing trace with hash 61172007, now seen corresponding path program 2 times [2021-08-31 05:21:44,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:44,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494034815] [2021-08-31 05:21:44,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:44,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:44,974 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:21:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:44,980 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:21:45,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:21:45,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-31 05:21:45,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-08-31 05:21:45,166 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 9 Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:21:45,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:21:45,229 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2021-08-31 05:21:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-31 05:21:45,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 33 transitions. [2021-08-31 05:21:45,230 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-08-31 05:21:45,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 33 transitions. [2021-08-31 05:21:45,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-08-31 05:21:45,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-08-31 05:21:45,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2021-08-31 05:21:45,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:21:45,239 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-08-31 05:21:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2021-08-31 05:21:45,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-08-31 05:21:45,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 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 05:21:45,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-08-31 05:21:45,240 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-08-31 05:21:45,240 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-08-31 05:21:45,240 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 05:21:45,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2021-08-31 05:21:45,241 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-08-31 05:21:45,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:21:45,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:21:45,241 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:21:45,241 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 05:21:45,241 INFO L791 eck$LassoCheckResult]: Stem: 380#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 381#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 392#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 388#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 382#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 383#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 397#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 398#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 378#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 379#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 405#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 404#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 403#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 402#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 399#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 393#L764-3 [2021-08-31 05:21:45,241 INFO L793 eck$LassoCheckResult]: Loop: 393#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 400#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 401#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 389#L766 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 391#L764-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 393#L764-3 [2021-08-31 05:21:45,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:45,242 INFO L82 PathProgramCache]: Analyzing trace with hash 775101013, now seen corresponding path program 2 times [2021-08-31 05:21:45,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:45,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852968863] [2021-08-31 05:21:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:45,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:21:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:21:45,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:21:45,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852968863] [2021-08-31 05:21:45,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852968863] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 05:21:45,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359111949] [2021-08-31 05:21:45,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 05:21:45,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 05:21:45,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:45,290 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 05:21:45,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-31 05:21:45,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-31 05:21:45,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-31 05:21:45,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-31 05:21:45,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:21:45,461 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:21:45,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 05:21:45,526 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:21:45,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359111949] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 05:21:45,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 05:21:45,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2021-08-31 05:21:45,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297580626] [2021-08-31 05:21:45,527 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:21:45,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:45,527 INFO L82 PathProgramCache]: Analyzing trace with hash 61172007, now seen corresponding path program 3 times [2021-08-31 05:21:45,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:45,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420801313] [2021-08-31 05:21:45,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:45,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:45,532 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:21:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:45,536 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:21:45,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:21:45,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-31 05:21:45,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=195, Unknown=0, NotChecked=0, Total=342 [2021-08-31 05:21:45,717 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. cyclomatic complexity: 9 Second operand has 19 states, 19 states have (on average 2.0) internal successors, (38), 19 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 05:21:45,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:21:45,848 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2021-08-31 05:21:45,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-31 05:21:45,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 45 transitions. [2021-08-31 05:21:45,853 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-08-31 05:21:45,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 45 transitions. [2021-08-31 05:21:45,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-08-31 05:21:45,853 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-08-31 05:21:45,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 45 transitions. [2021-08-31 05:21:45,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:21:45,854 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-08-31 05:21:45,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 45 transitions. [2021-08-31 05:21:45,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-08-31 05:21:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 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 05:21:45,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2021-08-31 05:21:45,859 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-08-31 05:21:45,859 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-08-31 05:21:45,859 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 05:21:45,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 45 transitions. [2021-08-31 05:21:45,861 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-08-31 05:21:45,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:21:45,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:21:45,862 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:21:45,862 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 05:21:45,862 INFO L791 eck$LassoCheckResult]: Stem: 564#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 565#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 576#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 572#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 566#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 567#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 581#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 582#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 562#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 563#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 601#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 600#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 599#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 598#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 597#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 596#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 595#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 594#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 593#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 592#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 591#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 590#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 589#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 588#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 587#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 586#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 583#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 577#L764-3 [2021-08-31 05:21:45,863 INFO L793 eck$LassoCheckResult]: Loop: 577#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 584#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 585#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 573#L766 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 575#L764-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 577#L764-3 [2021-08-31 05:21:45,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:45,864 INFO L82 PathProgramCache]: Analyzing trace with hash 158620513, now seen corresponding path program 3 times [2021-08-31 05:21:45,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:45,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287186494] [2021-08-31 05:21:45,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:45,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:45,897 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:21:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:45,944 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:21:45,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:45,945 INFO L82 PathProgramCache]: Analyzing trace with hash 61172007, now seen corresponding path program 4 times [2021-08-31 05:21:45,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:45,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732776873] [2021-08-31 05:21:45,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:45,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:45,954 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:21:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:45,958 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:21:45,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:45,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1350358585, now seen corresponding path program 1 times [2021-08-31 05:21:45,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:21:45,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928603999] [2021-08-31 05:21:45,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:21:45,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:21:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:45,993 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:21:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:21:46,037 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:22:56,857 WARN L210 SmtUtils]: Spent 1.18m on a formula simplification. DAG size of input: 368 DAG size of output: 302 [2021-08-31 05:23:00,431 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:23:00,431 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:23:00,431 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:23:00,431 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:23:00,431 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:23:00,431 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:00,431 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:23:00,431 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:23:00,431 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_1-2.i_Iteration6_Lasso [2021-08-31 05:23:00,431 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:23:00,431 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:23:00,434 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 05:23:00,446 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 05:23:00,447 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 05:23:00,449 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 05:23:00,450 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 05:23:00,451 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 05:23:00,453 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 05:23:00,454 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 05:23:00,455 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 05:23:00,456 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 05:23:00,457 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 05:23:00,459 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 05:23:00,460 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 05:23:00,462 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 05:23:00,463 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 05:23:00,464 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 05:23:00,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:23:00,466 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 05:23:00,468 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 05:23:00,469 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 05:23:01,011 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 05:23:01,013 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 05:23:01,014 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 05:23:01,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:23:01,463 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:23:01,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,468 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 05:23:01,470 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 05:23:01,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:23:01,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:01,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:01,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:01,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,503 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 05:23:01,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,505 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 05:23:01,506 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 05:23:01,507 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 05:23:01,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:23:01,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:23:01,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-31 05:23:01,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,562 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 05:23:01,591 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 05:23:01,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:23:01,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:23:01,602 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 05:23:01,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,627 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 05:23:01,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,640 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:23:01,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-31 05:23:01,642 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 05:23:01,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:01,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:01,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:01,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-31 05:23:01,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,676 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:23:01,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-31 05:23:01,678 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 05:23:01,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:01,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:01,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:01,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 05:23:01,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,718 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:23:01,723 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 05:23:01,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:01,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:01,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:01,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-31 05:23:01,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-31 05:23:01,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,758 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:23:01,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-31 05:23:01,761 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 05:23:01,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:23:01,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:23:01,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-31 05:23:01,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,792 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 05:23:01,795 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 05:23:01,795 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 05:23:01,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:01,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:01,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:01,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,818 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 05:23:01,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,819 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 05:23:01,820 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 05:23:01,821 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 05:23:01,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:01,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:01,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:01,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,845 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 05:23:01,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,846 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 05:23:01,847 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 05:23:01,849 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 05:23:01,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:01,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:01,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:01,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-08-31 05:23:01,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,877 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 05:23:01,877 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 05:23:01,878 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 05:23:01,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:23:01,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:23:01,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,913 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 05:23:01,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,914 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 05:23:01,915 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 05:23:01,919 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 05:23:01,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:23:01,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:23:01,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,944 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 05:23:01,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,946 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 05:23:01,947 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 05:23:01,948 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 05:23:01,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:01,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:01,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:01,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:01,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:01,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:01,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:01,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:01,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-08-31 05:23:01,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:01,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:01,989 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 05:23:01,992 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 05:23:01,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:23:02,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:02,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:02,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:02,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:02,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:02,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:02,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:02,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:02,021 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 05:23:02,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:02,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:02,022 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:23:02,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-31 05:23:02,024 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 05:23:02,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:02,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:02,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:02,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:02,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:02,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:02,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:02,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:02,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-08-31 05:23:02,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:02,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:02,048 INFO L229 MonitoredProcess]: Starting monitored process 30 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 05:23:02,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-31 05:23:02,050 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 05:23:02,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:02,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:02,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:02,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:02,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:02,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:02,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:02,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:02,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-31 05:23:02,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:02,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:02,101 INFO L229 MonitoredProcess]: Starting monitored process 31 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 05:23:02,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-31 05:23:02,103 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 05:23:02,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:02,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:02,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:02,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:02,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:02,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:02,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:02,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:02,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-08-31 05:23:02,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:02,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:02,126 INFO L229 MonitoredProcess]: Starting monitored process 32 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 05:23:02,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-31 05:23:02,128 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 05:23:02,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:02,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:02,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:02,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:02,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:23:02,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:23:02,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:02,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-31 05:23:02,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:02,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:02,181 INFO L229 MonitoredProcess]: Starting monitored process 33 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 05:23:02,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-31 05:23:02,183 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 05:23:02,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:02,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:23:02,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:02,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:02,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:02,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:23:02,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:23:02,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:02,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-31 05:23:02,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:02,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:02,206 INFO L229 MonitoredProcess]: Starting monitored process 34 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 05:23:02,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-31 05:23:02,208 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 05:23:02,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:02,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:02,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:02,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:02,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:23:02,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:23:02,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:23:02,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-31 05:23:02,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:02,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:02,240 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 05:23:02,245 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 05:23:02,246 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 05:23:02,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:23:02,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:23:02,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:23:02,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:23:02,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:23:02,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:23:02,288 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:23:02,308 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-08-31 05:23:02,308 INFO L444 ModelExtractionUtils]: 26 out of 52 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-08-31 05:23:02,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:23:02,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:23:02,324 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 05:23:02,325 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 05:23:02,325 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:23:02,332 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:23:02,332 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:23:02,332 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_alloc_17_~i~0, ULTIMATE.start_alloc_17_~len) = -1*ULTIMATE.start_alloc_17_~i~0 + 1*ULTIMATE.start_alloc_17_~len Supporting invariants [] [2021-08-31 05:23:02,351 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 05:23:02,369 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-08-31 05:23:02,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:23:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:23:02,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:23:02,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:23:02,500 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 05:23:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:23:02,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:23:02,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:23:02,543 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 05:23:02,543 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 05:23:02,543 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 45 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 05:23:02,584 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 45 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) Result 59 states and 71 transitions. Complement of second has 6 states. [2021-08-31 05:23:02,584 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 05:23:02,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 05:23:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2021-08-31 05:23:02,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 27 letters. Loop has 5 letters. [2021-08-31 05:23:02,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:23:02,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 32 letters. Loop has 5 letters. [2021-08-31 05:23:02,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:23:02,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 27 letters. Loop has 10 letters. [2021-08-31 05:23:02,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:23:02,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 71 transitions. [2021-08-31 05:23:02,586 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-08-31 05:23:02,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 47 states and 55 transitions. [2021-08-31 05:23:02,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-08-31 05:23:02,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-08-31 05:23:02,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 55 transitions. [2021-08-31 05:23:02,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:23:02,587 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 55 transitions. [2021-08-31 05:23:02,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 55 transitions. [2021-08-31 05:23:02,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2021-08-31 05:23:02,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 43 states have internal predecessors, (52), 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 05:23:02,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2021-08-31 05:23:02,588 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-08-31 05:23:02,588 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-08-31 05:23:02,588 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-31 05:23:02,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 52 transitions. [2021-08-31 05:23:02,589 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 05:23:02,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:23:02,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:23:02,589 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:23:02,589 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:23:02,589 INFO L791 eck$LassoCheckResult]: Stem: 810#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 811#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 823#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 822#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 812#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 813#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 808#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 809#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 828#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 851#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 850#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 849#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 848#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 847#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 846#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 845#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 844#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 843#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 842#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 841#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 840#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 839#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 838#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 837#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 836#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 835#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 833#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 834#L764-3 assume !(alloc_17_~i~0 < alloc_17_~len); 817#L764-4 alloc_17_#res := 0; 814#L775 entry_point_#t~ret46 := alloc_17_#res;havoc entry_point_#t~ret46;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 815#L779-3 [2021-08-31 05:23:02,589 INFO L793 eck$LassoCheckResult]: Loop: 815#L779-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 816#L779-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 815#L779-3 [2021-08-31 05:23:02,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:23:02,590 INFO L82 PathProgramCache]: Analyzing trace with hash 999709617, now seen corresponding path program 1 times [2021-08-31 05:23:02,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:23:02,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165458398] [2021-08-31 05:23:02,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:23:02,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:23:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:23:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:23:02,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:23:02,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165458398] [2021-08-31 05:23:02,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165458398] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:23:02,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:23:02,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 05:23:02,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035135655] [2021-08-31 05:23:02,640 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:23:02,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:23:02,640 INFO L82 PathProgramCache]: Analyzing trace with hash 3459, now seen corresponding path program 1 times [2021-08-31 05:23:02,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:23:02,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345782868] [2021-08-31 05:23:02,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:23:02,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:23:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:02,642 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:23:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:02,644 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:23:02,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:23:02,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-31 05:23:02,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-31 05:23:02,670 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 05:23:02,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:23:02,710 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2021-08-31 05:23:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-31 05:23:02,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 68 transitions. [2021-08-31 05:23:02,711 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-31 05:23:02,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 68 transitions. [2021-08-31 05:23:02,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-08-31 05:23:02,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-08-31 05:23:02,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 68 transitions. [2021-08-31 05:23:02,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:23:02,711 INFO L681 BuchiCegarLoop]: Abstraction has 58 states and 68 transitions. [2021-08-31 05:23:02,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 68 transitions. [2021-08-31 05:23:02,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 44. [2021-08-31 05:23:02,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 43 states have internal predecessors, (51), 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 05:23:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2021-08-31 05:23:02,713 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 51 transitions. [2021-08-31 05:23:02,713 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 51 transitions. [2021-08-31 05:23:02,713 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-31 05:23:02,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 51 transitions. [2021-08-31 05:23:02,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 05:23:02,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:23:02,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:23:02,714 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:23:02,714 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:23:02,714 INFO L791 eck$LassoCheckResult]: Stem: 919#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 920#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 932#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 931#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 921#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 922#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 937#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 938#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 917#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 918#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 960#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 959#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 958#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 957#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 956#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 955#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 954#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 953#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 952#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 951#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 950#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 949#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 948#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 947#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 946#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 945#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 943#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 944#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 939#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 940#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 927#L766 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 928#L766-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 936#L771-3 [2021-08-31 05:23:02,714 INFO L793 eck$LassoCheckResult]: Loop: 936#L771-3 assume !!(alloc_17_~j~0 >= 0);call alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset := read~$Pointer$(alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset);havoc alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset;call write~$Pointer$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 935#L771-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 936#L771-3 [2021-08-31 05:23:02,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:23:02,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1350299059, now seen corresponding path program 1 times [2021-08-31 05:23:02,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:23:02,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018529611] [2021-08-31 05:23:02,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:23:02,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:23:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:02,725 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:23:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:02,737 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:23:02,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:23:02,737 INFO L82 PathProgramCache]: Analyzing trace with hash 2947, now seen corresponding path program 1 times [2021-08-31 05:23:02,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:23:02,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393016265] [2021-08-31 05:23:02,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:23:02,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:23:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:02,740 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:23:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:02,742 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:23:02,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:23:02,742 INFO L82 PathProgramCache]: Analyzing trace with hash -557270321, now seen corresponding path program 1 times [2021-08-31 05:23:02,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:23:02,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580826032] [2021-08-31 05:23:02,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:23:02,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:23:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:23:02,765 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:23:02,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:23:02,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580826032] [2021-08-31 05:23:02,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580826032] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:23:02,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:23:02,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 05:23:02,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912444312] [2021-08-31 05:23:02,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:23:02,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-31 05:23:02,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-31 05:23:02,832 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 05:23:02,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:23:02,880 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2021-08-31 05:23:02,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 05:23:02,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 69 transitions. [2021-08-31 05:23:02,881 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-31 05:23:02,882 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 60 states and 69 transitions. [2021-08-31 05:23:02,882 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-08-31 05:23:02,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-08-31 05:23:02,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 69 transitions. [2021-08-31 05:23:02,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:23:02,882 INFO L681 BuchiCegarLoop]: Abstraction has 60 states and 69 transitions. [2021-08-31 05:23:02,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 69 transitions. [2021-08-31 05:23:02,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 49. [2021-08-31 05:23:02,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 48 states have internal predecessors, (57), 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 05:23:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2021-08-31 05:23:02,884 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 57 transitions. [2021-08-31 05:23:02,884 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 57 transitions. [2021-08-31 05:23:02,884 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-08-31 05:23:02,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 57 transitions. [2021-08-31 05:23:02,884 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 05:23:02,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:23:02,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:23:02,885 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:23:02,885 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:23:02,885 INFO L791 eck$LassoCheckResult]: Stem: 1034#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 1035#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1047#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 1042#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 1036#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 1037#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1032#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1033#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1052#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1080#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1079#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1078#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1077#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1076#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1075#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1074#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1073#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1071#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1069#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1067#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1066#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1065#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1064#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1063#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1062#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1061#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 1053#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 1054#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1057#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 1058#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1045#L766 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 1046#L764-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 1048#L764-3 assume !(alloc_17_~i~0 < alloc_17_~len); 1041#L764-4 alloc_17_#res := 0; 1038#L775 entry_point_#t~ret46 := alloc_17_#res;havoc entry_point_#t~ret46;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 1039#L779-3 [2021-08-31 05:23:02,885 INFO L793 eck$LassoCheckResult]: Loop: 1039#L779-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 1040#L779-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 1039#L779-3 [2021-08-31 05:23:02,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:23:02,885 INFO L82 PathProgramCache]: Analyzing trace with hash -93871603, now seen corresponding path program 1 times [2021-08-31 05:23:02,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:23:02,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943740018] [2021-08-31 05:23:02,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:23:02,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:23:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:23:02,921 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:23:02,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:23:02,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943740018] [2021-08-31 05:23:02,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943740018] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:23:02,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:23:02,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 05:23:02,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110017067] [2021-08-31 05:23:02,930 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:23:02,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:23:02,930 INFO L82 PathProgramCache]: Analyzing trace with hash 3459, now seen corresponding path program 2 times [2021-08-31 05:23:02,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:23:02,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686161652] [2021-08-31 05:23:02,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:23:02,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:23:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:02,933 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:23:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:02,934 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:23:02,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:23:02,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-31 05:23:02,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-31 05:23:02,964 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:23:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:23:03,018 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions. [2021-08-31 05:23:03,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 05:23:03,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 75 transitions. [2021-08-31 05:23:03,019 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-08-31 05:23:03,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 65 states and 73 transitions. [2021-08-31 05:23:03,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2021-08-31 05:23:03,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2021-08-31 05:23:03,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 73 transitions. [2021-08-31 05:23:03,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:23:03,019 INFO L681 BuchiCegarLoop]: Abstraction has 65 states and 73 transitions. [2021-08-31 05:23:03,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 73 transitions. [2021-08-31 05:23:03,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 49. [2021-08-31 05:23:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.1428571428571428) internal successors, (56), 48 states have internal predecessors, (56), 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 05:23:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2021-08-31 05:23:03,021 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 56 transitions. [2021-08-31 05:23:03,021 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 56 transitions. [2021-08-31 05:23:03,021 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-08-31 05:23:03,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 56 transitions. [2021-08-31 05:23:03,021 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 05:23:03,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:23:03,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:23:03,022 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:23:03,022 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:23:03,022 INFO L791 eck$LassoCheckResult]: Stem: 1159#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 1160#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1172#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 1167#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 1161#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 1162#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1157#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1158#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1177#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1202#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1201#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1200#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1199#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1198#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1197#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1196#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1195#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1194#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1193#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1192#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1191#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1190#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1189#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1188#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1187#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1186#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 1179#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 1180#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1181#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 1182#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1168#L766 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 1169#L766-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 1178#L771-3 assume !(alloc_17_~j~0 >= 0); 1174#L771-4 alloc_17_#res := 3; 1163#L775 entry_point_#t~ret46 := alloc_17_#res;havoc entry_point_#t~ret46;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 1164#L779-3 [2021-08-31 05:23:03,022 INFO L793 eck$LassoCheckResult]: Loop: 1164#L779-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 1165#L779-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 1164#L779-3 [2021-08-31 05:23:03,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:23:03,022 INFO L82 PathProgramCache]: Analyzing trace with hash -95512495, now seen corresponding path program 1 times [2021-08-31 05:23:03,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:23:03,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958645454] [2021-08-31 05:23:03,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:23:03,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:23:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:03,031 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:23:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:03,042 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:23:03,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:23:03,042 INFO L82 PathProgramCache]: Analyzing trace with hash 3459, now seen corresponding path program 3 times [2021-08-31 05:23:03,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:23:03,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148049423] [2021-08-31 05:23:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:23:03,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:23:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:03,044 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:23:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:03,046 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:23:03,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:23:03,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1593191981, now seen corresponding path program 1 times [2021-08-31 05:23:03,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:23:03,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109743702] [2021-08-31 05:23:03,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:23:03,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:23:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:03,055 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:23:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:23:03,069 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:24:45,955 WARN L210 SmtUtils]: Spent 1.71m on a formula simplification. DAG size of input: 408 DAG size of output: 337 [2021-08-31 05:24:52,985 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:24:52,986 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:24:52,986 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:24:52,986 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:24:52,986 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:24:52,986 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:52,986 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:24:52,986 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:24:52,986 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_1-2.i_Iteration10_Lasso [2021-08-31 05:24:52,986 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:24:52,986 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:24:52,988 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 05:24:53,005 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 05:24:53,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:24:53,010 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 05:24:53,014 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 05:24:53,015 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 05:24:53,017 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 05:24:53,018 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 05:24:53,020 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 05:24:53,021 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 05:24:53,023 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 05:24:53,024 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 05:24:53,026 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 05:24:53,027 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 05:24:53,029 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 05:24:53,032 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 05:24:53,034 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 05:24:53,035 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 05:24:53,037 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 05:24:53,656 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 05:24:53,657 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 05:24:53,659 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 05:24:53,660 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 05:24:53,661 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 05:24:53,662 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 05:24:53,663 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 05:24:53,667 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 05:24:53,669 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 05:24:53,670 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 05:24:54,088 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:24:54,089 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:24:54,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,090 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 05:24:54,090 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 05:24:54,095 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 05:24:54,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,122 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 05:24:54,123 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 05:24:54,125 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 05:24:54,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,150 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 05:24:54,151 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 05:24:54,153 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 05:24:54,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,178 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 05:24:54,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,185 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 05:24:54,188 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 05:24:54,189 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 05:24:54,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,214 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 05:24:54,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,215 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 05:24:54,216 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 05:24:54,217 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 05:24:54,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:54,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:54,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:54,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,256 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 05:24:54,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,257 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 05:24:54,258 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 05:24:54,259 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 05:24:54,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:54,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:54,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:54,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,299 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 05:24:54,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,300 INFO L229 MonitoredProcess]: Starting monitored process 43 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 05:24:54,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-31 05:24:54,302 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 05:24:54,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-08-31 05:24:54,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,328 INFO L229 MonitoredProcess]: Starting monitored process 44 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 05:24:54,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-31 05:24:54,331 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 05:24:54,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,373 INFO L229 MonitoredProcess]: Starting monitored process 45 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 05:24:54,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-31 05:24:54,375 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 05:24:54,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:54,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:54,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:54,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,419 INFO L229 MonitoredProcess]: Starting monitored process 46 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 05:24:54,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-31 05:24:54,434 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 05:24:54,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:54,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:54,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:54,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-08-31 05:24:54,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,457 INFO L229 MonitoredProcess]: Starting monitored process 47 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 05:24:54,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-31 05:24:54,460 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 05:24:54,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-08-31 05:24:54,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,489 INFO L229 MonitoredProcess]: Starting monitored process 48 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 05:24:54,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-31 05:24:54,500 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 05:24:54,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:54,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:54,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:54,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,561 INFO L229 MonitoredProcess]: Starting monitored process 49 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 05:24:54,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-31 05:24:54,563 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 05:24:54,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:54,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:54,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:54,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,609 INFO L229 MonitoredProcess]: Starting monitored process 50 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 05:24:54,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-31 05:24:54,611 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 05:24:54,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:54,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:54,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:54,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,644 INFO L229 MonitoredProcess]: Starting monitored process 51 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 05:24:54,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-31 05:24:54,647 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 05:24:54,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,677 INFO L229 MonitoredProcess]: Starting monitored process 52 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 05:24:54,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-31 05:24:54,679 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 05:24:54,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:54,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:54,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:54,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-08-31 05:24:54,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,714 INFO L229 MonitoredProcess]: Starting monitored process 53 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 05:24:54,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-31 05:24:54,717 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 05:24:54,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:54,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:54,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:54,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-08-31 05:24:54,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,748 INFO L229 MonitoredProcess]: Starting monitored process 54 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 05:24:54,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-31 05:24:54,750 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 05:24:54,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,791 INFO L229 MonitoredProcess]: Starting monitored process 55 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 05:24:54,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-08-31 05:24:54,793 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 05:24:54,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,821 INFO L229 MonitoredProcess]: Starting monitored process 56 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 05:24:54,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-31 05:24:54,824 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 05:24:54,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-08-31 05:24:54,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,855 INFO L229 MonitoredProcess]: Starting monitored process 57 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 05:24:54,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-31 05:24:54,857 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 05:24:54,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,883 INFO L229 MonitoredProcess]: Starting monitored process 58 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 05:24:54,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-08-31 05:24:54,885 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 05:24:54,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,911 INFO L229 MonitoredProcess]: Starting monitored process 59 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 05:24:54,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-08-31 05:24:54,913 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 05:24:54,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:54,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:54,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,953 INFO L229 MonitoredProcess]: Starting monitored process 60 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 05:24:54,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-08-31 05:24:54,955 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 05:24:54,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:54,962 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-31 05:24:54,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:54,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:54,966 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-31 05:24:54,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:54,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:54,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:54,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:54,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:54,999 INFO L229 MonitoredProcess]: Starting monitored process 61 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 05:24:55,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-08-31 05:24:55,002 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 05:24:55,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:55,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:55,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:55,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:55,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:55,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:55,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:55,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:55,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:55,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:55,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:55,038 INFO L229 MonitoredProcess]: Starting monitored process 62 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 05:24:55,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-08-31 05:24:55,040 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 05:24:55,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:55,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:55,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:55,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:55,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:55,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:55,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:55,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:55,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:55,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:55,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:55,066 INFO L229 MonitoredProcess]: Starting monitored process 63 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 05:24:55,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-08-31 05:24:55,068 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 05:24:55,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:55,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:24:55,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:55,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:55,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:55,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:24:55,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:24:55,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:24:55,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:55,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:55,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:55,093 INFO L229 MonitoredProcess]: Starting monitored process 64 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 05:24:55,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-08-31 05:24:55,095 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 05:24:55,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:24:55,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:24:55,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:24:55,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:24:55,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:24:55,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:24:55,117 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:24:55,140 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-08-31 05:24:55,140 INFO L444 ModelExtractionUtils]: 33 out of 49 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-08-31 05:24:55,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:24:55,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:55,142 INFO L229 MonitoredProcess]: Starting monitored process 65 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 05:24:55,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-08-31 05:24:55,143 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:24:55,150 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-31 05:24:55,150 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:24:55,150 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_free_17_~i~1, v_rep(select #length ULTIMATE.start_entry_point_~array~0.base)_3) = -2*ULTIMATE.start_free_17_~i~1 + 1*v_rep(select #length ULTIMATE.start_entry_point_~array~0.base)_3 Supporting invariants [1*v_rep(select #length ULTIMATE.start_entry_point_~array~0.base)_3 - 2*ULTIMATE.start_free_17_~len >= 0] [2021-08-31 05:24:55,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:55,182 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-08-31 05:24:55,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:24:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:24:55,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-31 05:24:55,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:24:55,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-08-31 05:24:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:24:55,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 05:24:55,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:24:55,700 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 05:24:55,701 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2021-08-31 05:24:55,701 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 56 transitions. cyclomatic complexity: 11 Second operand has 17 states, 17 states have (on average 2.176470588235294) internal successors, (37), 17 states have internal predecessors, (37), 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 05:24:56,254 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 56 transitions. cyclomatic complexity: 11. Second operand has 17 states, 17 states have (on average 2.176470588235294) internal successors, (37), 17 states have internal predecessors, (37), 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 62 states and 70 transitions. Complement of second has 22 states. [2021-08-31 05:24:56,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 17 stem states 1 non-accepting loop states 2 accepting loop states [2021-08-31 05:24:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 2.176470588235294) internal successors, (37), 17 states have internal predecessors, (37), 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 05:24:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 54 transitions. [2021-08-31 05:24:56,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 54 transitions. Stem has 35 letters. Loop has 2 letters. [2021-08-31 05:24:56,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:24:56,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 54 transitions. Stem has 37 letters. Loop has 2 letters. [2021-08-31 05:24:56,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:24:56,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 54 transitions. Stem has 35 letters. Loop has 4 letters. [2021-08-31 05:24:56,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:24:56,260 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 70 transitions. [2021-08-31 05:24:56,263 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 05:24:56,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 52 states and 58 transitions. [2021-08-31 05:24:56,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-08-31 05:24:56,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-08-31 05:24:56,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 58 transitions. [2021-08-31 05:24:56,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:24:56,265 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 58 transitions. [2021-08-31 05:24:56,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 58 transitions. [2021-08-31 05:24:56,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2021-08-31 05:24:56,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 48 states have internal predecessors, (55), 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 05:24:56,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2021-08-31 05:24:56,275 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 55 transitions. [2021-08-31 05:24:56,275 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 55 transitions. [2021-08-31 05:24:56,275 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-08-31 05:24:56,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 55 transitions. [2021-08-31 05:24:56,276 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 05:24:56,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:24:56,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:24:56,279 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:24:56,279 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:24:56,287 INFO L791 eck$LassoCheckResult]: Stem: 1503#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 1504#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1516#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 1515#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 1505#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 1506#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1501#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1502#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1521#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1549#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1548#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1547#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1546#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1545#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1544#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1543#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1542#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1540#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1539#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1537#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1536#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1535#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1534#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1533#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1532#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1531#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 1523#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 1524#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1527#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 1528#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1513#L766 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 1514#L764-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 1517#L764-3 assume !(alloc_17_~i~0 < alloc_17_~len); 1510#L764-4 alloc_17_#res := 0; 1507#L775 entry_point_#t~ret46 := alloc_17_#res;havoc entry_point_#t~ret46;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 1508#L779-3 [2021-08-31 05:24:56,288 INFO L793 eck$LassoCheckResult]: Loop: 1508#L779-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 1509#L779-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 1508#L779-3 [2021-08-31 05:24:56,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:24:56,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1868878965, now seen corresponding path program 1 times [2021-08-31 05:24:56,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:24:56,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355710478] [2021-08-31 05:24:56,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:24:56,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:24:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:24:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:24:56,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:24:56,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355710478] [2021-08-31 05:24:56,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355710478] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 05:24:56,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53572552] [2021-08-31 05:24:56,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:24:56,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 05:24:56,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:24:56,389 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 05:24:56,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2021-08-31 05:24:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:24:56,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 05:24:56,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:24:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:24:56,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 05:24:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:24:56,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53572552] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 05:24:56,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 05:24:56,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-08-31 05:24:56,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856005880] [2021-08-31 05:24:56,661 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:24:56,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:24:56,662 INFO L82 PathProgramCache]: Analyzing trace with hash 3459, now seen corresponding path program 4 times [2021-08-31 05:24:56,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:24:56,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987708299] [2021-08-31 05:24:56,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:24:56,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:24:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:24:56,664 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:24:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:24:56,666 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:24:56,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:24:56,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-31 05:24:56,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-08-31 05:24:56,695 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. cyclomatic complexity: 10 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 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 05:24:56,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:24:56,799 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2021-08-31 05:24:56,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-31 05:24:56,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 104 transitions. [2021-08-31 05:24:56,800 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 16 [2021-08-31 05:24:56,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 91 states and 104 transitions. [2021-08-31 05:24:56,801 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51 [2021-08-31 05:24:56,801 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 51 [2021-08-31 05:24:56,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 104 transitions. [2021-08-31 05:24:56,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:24:56,801 INFO L681 BuchiCegarLoop]: Abstraction has 91 states and 104 transitions. [2021-08-31 05:24:56,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 104 transitions. [2021-08-31 05:24:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 64. [2021-08-31 05:24:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.140625) internal successors, (73), 63 states have internal predecessors, (73), 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 05:24:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions. [2021-08-31 05:24:56,803 INFO L704 BuchiCegarLoop]: Abstraction has 64 states and 73 transitions. [2021-08-31 05:24:56,803 INFO L587 BuchiCegarLoop]: Abstraction has 64 states and 73 transitions. [2021-08-31 05:24:56,803 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-08-31 05:24:56,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 64 states and 73 transitions. [2021-08-31 05:24:56,803 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 05:24:56,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:24:56,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:24:56,804 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:24:56,804 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:24:56,804 INFO L791 eck$LassoCheckResult]: Stem: 1866#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 1867#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1879#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 1878#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 1868#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 1869#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1884#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1885#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1864#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1865#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1924#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1923#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1922#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1920#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1918#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1917#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1915#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1913#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1911#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1909#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1907#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1906#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1904#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1902#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1898#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 1897#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 1886#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 1887#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1893#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 1927#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1926#L766 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 1925#L766-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 1896#L771-3 assume !(alloc_17_~j~0 >= 0); 1881#L771-4 alloc_17_#res := 3; 1870#L775 entry_point_#t~ret46 := alloc_17_#res;havoc entry_point_#t~ret46;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 1871#L779-3 [2021-08-31 05:24:56,804 INFO L793 eck$LassoCheckResult]: Loop: 1871#L779-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 1872#L779-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 1871#L779-3 [2021-08-31 05:24:56,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:24:56,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1870519857, now seen corresponding path program 1 times [2021-08-31 05:24:56,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:24:56,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261445550] [2021-08-31 05:24:56,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:24:56,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:24:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:24:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:24:56,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:24:56,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261445550] [2021-08-31 05:24:56,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261445550] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:24:56,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:24:56,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 05:24:56,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437416528] [2021-08-31 05:24:56,834 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:24:56,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:24:56,834 INFO L82 PathProgramCache]: Analyzing trace with hash 3459, now seen corresponding path program 5 times [2021-08-31 05:24:56,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:24:56,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440534474] [2021-08-31 05:24:56,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:24:56,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:24:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:24:56,836 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:24:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:24:56,838 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:24:56,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:24:56,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-31 05:24:56,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-31 05:24:56,864 INFO L87 Difference]: Start difference. First operand 64 states and 73 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:24:56,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:24:56,906 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2021-08-31 05:24:56,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 05:24:56,906 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 74 transitions. [2021-08-31 05:24:56,907 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-08-31 05:24:56,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 62 states and 69 transitions. [2021-08-31 05:24:56,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-08-31 05:24:56,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-08-31 05:24:56,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 69 transitions. [2021-08-31 05:24:56,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:24:56,909 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 69 transitions. [2021-08-31 05:24:56,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 69 transitions. [2021-08-31 05:24:56,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2021-08-31 05:24:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.11864406779661) internal successors, (66), 58 states have internal predecessors, (66), 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 05:24:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2021-08-31 05:24:56,911 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 66 transitions. [2021-08-31 05:24:56,911 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 66 transitions. [2021-08-31 05:24:56,911 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-08-31 05:24:56,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 66 transitions. [2021-08-31 05:24:56,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 05:24:56,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:24:56,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:24:56,912 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:24:56,912 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:24:56,912 INFO L791 eck$LassoCheckResult]: Stem: 2006#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 2007#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 2019#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 2014#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 2008#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 2009#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2004#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2005#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2025#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2062#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2061#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2060#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2058#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2056#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2054#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2052#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2050#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2048#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2047#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2045#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2043#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2041#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2038#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2037#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2036#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2035#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 2026#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 2027#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 2034#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 2032#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 2033#L766 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 2020#L764-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 2021#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 2028#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 2029#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 2015#L766 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 2016#L766-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 2024#L771-3 [2021-08-31 05:24:56,912 INFO L793 eck$LassoCheckResult]: Loop: 2024#L771-3 assume !!(alloc_17_~j~0 >= 0);call alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset := read~$Pointer$(alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset);havoc alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset;call write~$Pointer$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 2023#L771-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 2024#L771-3 [2021-08-31 05:24:56,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:24:56,913 INFO L82 PathProgramCache]: Analyzing trace with hash -694922329, now seen corresponding path program 1 times [2021-08-31 05:24:56,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:24:56,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779838807] [2021-08-31 05:24:56,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:24:56,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:24:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:24:56,924 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:24:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:24:56,937 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:24:56,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:24:56,937 INFO L82 PathProgramCache]: Analyzing trace with hash 2947, now seen corresponding path program 2 times [2021-08-31 05:24:56,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:24:56,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952381587] [2021-08-31 05:24:56,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:24:56,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:24:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:24:56,940 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:24:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:24:56,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:24:56,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:24:56,941 INFO L82 PathProgramCache]: Analyzing trace with hash -2100425303, now seen corresponding path program 1 times [2021-08-31 05:24:56,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:24:56,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131403414] [2021-08-31 05:24:56,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:24:56,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:24:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:24:56,953 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:24:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:24:56,968 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:27:19,814 WARN L210 SmtUtils]: Spent 2.38m on a formula simplification. DAG size of input: 450 DAG size of output: 367 [2021-08-31 05:27:23,259 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:27:23,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:27:23,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:27:23,259 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:27:23,259 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:27:23,259 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:23,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:27:23,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:27:23,259 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_1-2.i_Iteration13_Lasso [2021-08-31 05:27:23,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:27:23,259 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:27:23,279 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 05:27:23,280 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 05:27:23,282 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 05:27:23,284 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 05:27:23,285 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 05:27:23,287 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 05:27:23,288 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 05:27:23,290 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 05:27:23,291 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 05:27:23,293 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 05:27:23,294 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 05:27:23,295 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 05:27:23,897 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 05:27:23,898 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 05:27:23,900 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 05:27:23,901 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 05:27:23,904 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 05:27:23,905 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 05:27:23,906 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 05:27:23,909 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 05:27:23,910 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 05:27:23,913 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 05:27:23,914 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 05:27:23,915 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 05:27:23,916 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 05:27:23,918 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 05:27:23,919 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 05:27:24,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:27:24,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:27:24,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,424 INFO L229 MonitoredProcess]: Starting monitored process 67 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 05:27:24,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-08-31 05:27:24,427 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 05:27:24,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:27:24,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:27:24,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:27:24,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,462 INFO L229 MonitoredProcess]: Starting monitored process 68 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 05:27:24,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-08-31 05:27:24,464 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 05:27:24,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:27:24,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:27:24,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:27:24,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,502 INFO L229 MonitoredProcess]: Starting monitored process 69 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 05:27:24,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-08-31 05:27:24,504 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 05:27:24,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:27:24,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:27:24,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,543 INFO L229 MonitoredProcess]: Starting monitored process 70 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 05:27:24,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-08-31 05:27:24,545 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 05:27:24,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:27:24,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:27:24,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:27:24,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,585 INFO L229 MonitoredProcess]: Starting monitored process 71 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 05:27:24,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-08-31 05:27:24,588 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 05:27:24,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:27:24,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:27:24,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,628 INFO L229 MonitoredProcess]: Starting monitored process 72 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 05:27:24,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-08-31 05:27:24,630 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 05:27:24,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:27:24,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:27:24,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,658 INFO L229 MonitoredProcess]: Starting monitored process 73 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 05:27:24,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-08-31 05:27:24,660 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 05:27:24,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:27:24,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:27:24,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,687 INFO L229 MonitoredProcess]: Starting monitored process 74 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 05:27:24,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-08-31 05:27:24,690 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 05:27:24,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:27:24,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:27:24,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,718 INFO L229 MonitoredProcess]: Starting monitored process 75 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 05:27:24,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-08-31 05:27:24,720 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 05:27:24,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:27:24,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:27:24,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:27:24,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,743 INFO L229 MonitoredProcess]: Starting monitored process 76 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 05:27:24,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-08-31 05:27:24,746 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 05:27:24,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:27:24,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:27:24,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:27:24,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,772 INFO L229 MonitoredProcess]: Starting monitored process 77 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 05:27:24,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-08-31 05:27:24,774 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 05:27:24,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:27:24,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:27:24,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:27:24,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-08-31 05:27:24,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,799 INFO L229 MonitoredProcess]: Starting monitored process 78 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 05:27:24,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-08-31 05:27:24,801 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 05:27:24,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:27:24,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:27:24,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,842 INFO L229 MonitoredProcess]: Starting monitored process 79 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 05:27:24,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-08-31 05:27:24,844 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 05:27:24,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:27:24,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:27:24,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:27:24,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,869 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,869 INFO L229 MonitoredProcess]: Starting monitored process 80 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 05:27:24,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-08-31 05:27:24,872 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 05:27:24,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:27:24,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:27:24,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,897 INFO L229 MonitoredProcess]: Starting monitored process 81 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 05:27:24,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-08-31 05:27:24,899 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 05:27:24,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:27:24,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:27:24,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:27:24,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:27:24,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:24,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,934 INFO L229 MonitoredProcess]: Starting monitored process 82 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 05:27:24,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-08-31 05:27:24,937 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 05:27:24,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:27:24,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:27:24,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:27:24,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:27:24,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:27:24,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:27:24,968 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:27:24,986 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-08-31 05:27:24,987 INFO L444 ModelExtractionUtils]: 19 out of 40 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-08-31 05:27:24,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:27:24,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:24,988 INFO L229 MonitoredProcess]: Starting monitored process 83 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 05:27:24,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-08-31 05:27:24,990 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:27:25,011 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:27:25,011 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:27:25,011 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_alloc_17_~j~0) = 2*ULTIMATE.start_alloc_17_~j~0 + 1 Supporting invariants [] [2021-08-31 05:27:25,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:25,050 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2021-08-31 05:27:25,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:27:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:27:25,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:27:25,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:27:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:27:25,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:27:25,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:27:25,186 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 05:27:25,186 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 05:27:25,187 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 66 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:27:25,226 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 66 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 68 states and 79 transitions. Complement of second has 6 states. [2021-08-31 05:27:25,227 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 05:27:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:27:25,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2021-08-31 05:27:25,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 37 letters. Loop has 2 letters. [2021-08-31 05:27:25,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:27:25,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 39 letters. Loop has 2 letters. [2021-08-31 05:27:25,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:27:25,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 37 letters. Loop has 4 letters. [2021-08-31 05:27:25,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:27:25,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 79 transitions. [2021-08-31 05:27:25,229 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-31 05:27:25,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 63 states and 71 transitions. [2021-08-31 05:27:25,229 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-08-31 05:27:25,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-08-31 05:27:25,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 71 transitions. [2021-08-31 05:27:25,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:27:25,230 INFO L681 BuchiCegarLoop]: Abstraction has 63 states and 71 transitions. [2021-08-31 05:27:25,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 71 transitions. [2021-08-31 05:27:25,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2021-08-31 05:27:25,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.1333333333333333) internal successors, (68), 59 states have internal predecessors, (68), 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 05:27:25,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2021-08-31 05:27:25,232 INFO L704 BuchiCegarLoop]: Abstraction has 60 states and 68 transitions. [2021-08-31 05:27:25,232 INFO L587 BuchiCegarLoop]: Abstraction has 60 states and 68 transitions. [2021-08-31 05:27:25,232 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-08-31 05:27:25,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 68 transitions. [2021-08-31 05:27:25,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 05:27:25,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:27:25,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:27:25,233 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:27:25,233 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:27:25,233 INFO L791 eck$LassoCheckResult]: Stem: 2309#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 2310#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 2322#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 2317#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 2311#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 2312#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2307#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2308#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2327#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2366#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2364#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2362#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2360#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2358#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2356#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2354#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2352#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2350#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2348#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2347#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2345#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2343#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2341#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2338#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2337#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2336#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 2329#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 2330#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 2333#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 2334#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 2320#L766 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 2321#L764-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 2323#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 2331#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 2332#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 2318#L766 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 2319#L766-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 2328#L771-3 assume !(alloc_17_~j~0 >= 0); 2324#L771-4 alloc_17_#res := 3; 2313#L775 entry_point_#t~ret46 := alloc_17_#res;havoc entry_point_#t~ret46;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 2314#L779-3 [2021-08-31 05:27:25,233 INFO L793 eck$LassoCheckResult]: Loop: 2314#L779-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 2315#L779-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 2314#L779-3 [2021-08-31 05:27:25,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:27:25,233 INFO L82 PathProgramCache]: Analyzing trace with hash -688676681, now seen corresponding path program 1 times [2021-08-31 05:27:25,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:27:25,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761842850] [2021-08-31 05:27:25,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:27:25,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:27:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:27:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:27:25,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:27:25,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761842850] [2021-08-31 05:27:25,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761842850] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 05:27:25,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023897625] [2021-08-31 05:27:25,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:27:25,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 05:27:25,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:27:25,269 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 05:27:25,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2021-08-31 05:27:25,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-08-31 05:27:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:27:25,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:27:25,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:27:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:27:25,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-31 05:27:25,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023897625] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:27:25,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-31 05:27:25,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-08-31 05:27:25,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722081296] [2021-08-31 05:27:25,424 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:27:25,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:27:25,424 INFO L82 PathProgramCache]: Analyzing trace with hash 3459, now seen corresponding path program 6 times [2021-08-31 05:27:25,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:27:25,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328703667] [2021-08-31 05:27:25,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:27:25,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:27:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:27:25,427 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:27:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:27:25,428 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:27:25,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:27:25,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 05:27:25,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-31 05:27:25,456 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:27:25,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:27:25,496 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2021-08-31 05:27:25,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 05:27:25,496 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 67 transitions. [2021-08-31 05:27:25,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 05:27:25,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 60 states and 67 transitions. [2021-08-31 05:27:25,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-08-31 05:27:25,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-08-31 05:27:25,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 67 transitions. [2021-08-31 05:27:25,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 05:27:25,498 INFO L681 BuchiCegarLoop]: Abstraction has 60 states and 67 transitions. [2021-08-31 05:27:25,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 67 transitions. [2021-08-31 05:27:25,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-08-31 05:27:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.1166666666666667) internal successors, (67), 59 states have internal predecessors, (67), 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 05:27:25,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2021-08-31 05:27:25,499 INFO L704 BuchiCegarLoop]: Abstraction has 60 states and 67 transitions. [2021-08-31 05:27:25,499 INFO L587 BuchiCegarLoop]: Abstraction has 60 states and 67 transitions. [2021-08-31 05:27:25,499 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-08-31 05:27:25,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 67 transitions. [2021-08-31 05:27:25,500 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 05:27:25,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:27:25,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:27:25,500 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:27:25,500 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:27:25,505 INFO L791 eck$LassoCheckResult]: Stem: 2557#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 2558#L-1 havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset, entry_point_#t~post45, entry_point_#t~ret46, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 2570#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 2565#L529 entry_point_#t~ret44.base, entry_point_#t~ret44.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret44.base, entry_point_#t~ret44.offset;havoc entry_point_#t~ret44.base, entry_point_#t~ret44.offset; 2559#L787 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 2560#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2555#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2556#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2575#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2611#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2609#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2607#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2605#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2603#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2602#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2600#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2598#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2596#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2593#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2592#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2591#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2590#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2589#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2588#L788-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 2587#L788-2 entry_point_#t~post45 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post45;havoc entry_point_#t~post45; 2586#L788-3 assume !(entry_point_~i~2 < entry_point_~len~0); 2577#L788-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 2578#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 2581#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 2582#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 2583#L766 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 2613#L764-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 2584#L764-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 2579#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 2580#L529-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 2566#L766 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 2567#L766-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 2576#L771-3 assume !!(alloc_17_~j~0 >= 0);call alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset := read~$Pointer$(alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset);havoc alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset;call write~$Pointer$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 2573#L771-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 2574#L771-3 assume !(alloc_17_~j~0 >= 0); 2572#L771-4 alloc_17_#res := 3; 2561#L775 entry_point_#t~ret46 := alloc_17_#res;havoc entry_point_#t~ret46;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 2562#L779-3 [2021-08-31 05:27:25,505 INFO L793 eck$LassoCheckResult]: Loop: 2562#L779-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 2563#L779-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 2562#L779-3 [2021-08-31 05:27:25,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:27:25,505 INFO L82 PathProgramCache]: Analyzing trace with hash -391606411, now seen corresponding path program 1 times [2021-08-31 05:27:25,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:27:25,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737341800] [2021-08-31 05:27:25,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:27:25,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:27:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:27:25,548 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:27:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:27:25,576 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:27:25,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:27:25,576 INFO L82 PathProgramCache]: Analyzing trace with hash 3459, now seen corresponding path program 7 times [2021-08-31 05:27:25,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:27:25,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490307601] [2021-08-31 05:27:25,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:27:25,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:27:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:27:25,579 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:27:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:27:25,580 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:27:25,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:27:25,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1623363575, now seen corresponding path program 1 times [2021-08-31 05:27:25,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:27:25,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218996026] [2021-08-31 05:27:25,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:27:25,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:27:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:27:25,604 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:27:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:27:25,645 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:31:13,801 WARN L210 SmtUtils]: Spent 3.80m on a formula simplification. DAG size of input: 502 DAG size of output: 406 [2021-08-31 05:31:24,087 WARN L210 SmtUtils]: Spent 7.03s on a formula simplification that was a NOOP. DAG size: 203 [2021-08-31 05:31:24,090 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:31:24,090 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:31:24,090 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:31:24,090 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:31:24,090 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:31:24,090 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:24,090 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:31:24,090 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:31:24,090 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_1-2.i_Iteration15_Lasso [2021-08-31 05:31:24,090 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:31:24,090 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:31:24,093 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 05:31:24,094 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 05:31:24,095 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 05:31:24,097 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 05:31:24,098 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 05:31:24,100 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 05:31:24,103 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 05:31:24,104 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 05:31:24,106 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 05:31:24,107 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 05:31:24,109 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 05:31:24,110 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 05:31:24,111 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 05:31:25,045 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 05:31:25,047 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 05:31:25,048 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 05:31:25,050 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 05:31:25,051 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 05:31:25,052 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 05:31:25,054 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 05:31:25,055 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 05:31:25,057 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 05:31:25,058 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 05:31:25,061 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 05:31:25,063 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 05:31:25,064 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 05:31:25,067 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 05:31:25,068 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 05:31:25,627 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:31:25,628 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:31:25,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:25,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:25,631 INFO L229 MonitoredProcess]: Starting monitored process 85 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 05:31:25,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-08-31 05:31:25,635 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 05:31:25,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:25,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:25,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:25,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:25,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:25,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:25,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:25,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:25,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:25,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:25,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:25,661 INFO L229 MonitoredProcess]: Starting monitored process 86 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 05:31:25,664 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 05:31:25,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:25,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:25,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:25,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:25,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:25,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:25,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:25,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-08-31 05:31:25,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:25,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:25,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:25,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:25,699 INFO L229 MonitoredProcess]: Starting monitored process 87 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 05:31:25,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-08-31 05:31:25,702 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 05:31:25,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:25,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:25,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:25,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:25,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:25,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:25,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:25,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:25,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:25,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:25,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:25,741 INFO L229 MonitoredProcess]: Starting monitored process 88 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 05:31:25,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-08-31 05:31:25,744 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 05:31:25,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:25,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:25,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:25,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:25,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:25,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:25,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:25,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:25,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:25,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:25,786 INFO L229 MonitoredProcess]: Starting monitored process 89 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 05:31:25,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-08-31 05:31:25,788 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 05:31:25,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:25,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:25,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:25,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:25,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:25,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:25,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:25,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:25,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:25,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:25,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:25,829 INFO L229 MonitoredProcess]: Starting monitored process 90 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 05:31:25,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-08-31 05:31:25,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:31:25,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:25,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:25,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:25,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:25,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:25,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:25,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:25,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:25,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:25,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:25,873 INFO L229 MonitoredProcess]: Starting monitored process 91 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 05:31:25,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-08-31 05:31:25,876 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 05:31:25,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:25,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:25,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:25,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:25,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:25,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:25,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:25,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:25,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:25,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:25,917 INFO L229 MonitoredProcess]: Starting monitored process 92 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 05:31:25,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-08-31 05:31:25,919 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 05:31:25,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:25,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:25,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:25,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:25,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:25,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:25,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:25,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:25,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:25,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:25,960 INFO L229 MonitoredProcess]: Starting monitored process 93 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 05:31:25,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-08-31 05:31:25,962 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 05:31:25,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:25,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:25,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:25,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:25,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:25,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:25,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:25,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,001 INFO L229 MonitoredProcess]: Starting monitored process 94 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 05:31:26,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-08-31 05:31:26,003 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 05:31:26,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:26,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:26,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-08-31 05:31:26,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,029 INFO L229 MonitoredProcess]: Starting monitored process 95 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 05:31:26,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-08-31 05:31:26,032 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 05:31:26,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:26,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:26,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:26,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,070 INFO L229 MonitoredProcess]: Starting monitored process 96 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 05:31:26,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-08-31 05:31:26,073 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 05:31:26,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:26,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:26,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:26,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,115 INFO L229 MonitoredProcess]: Starting monitored process 97 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 05:31:26,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-08-31 05:31:26,117 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 05:31:26,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:26,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:26,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:26,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,155 INFO L229 MonitoredProcess]: Starting monitored process 98 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 05:31:26,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-08-31 05:31:26,158 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 05:31:26,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:26,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:26,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:26,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,198 INFO L229 MonitoredProcess]: Starting monitored process 99 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 05:31:26,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-08-31 05:31:26,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:31:26,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:26,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:26,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:26,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,240 INFO L229 MonitoredProcess]: Starting monitored process 100 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 05:31:26,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-08-31 05:31:26,242 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 05:31:26,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:26,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:26,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-08-31 05:31:26,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,270 INFO L229 MonitoredProcess]: Starting monitored process 101 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 05:31:26,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-08-31 05:31:26,272 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 05:31:26,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:26,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:26,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,298 INFO L229 MonitoredProcess]: Starting monitored process 102 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 05:31:26,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-08-31 05:31:26,300 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 05:31:26,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:26,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:26,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:26,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,327 INFO L229 MonitoredProcess]: Starting monitored process 103 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 05:31:26,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-08-31 05:31:26,329 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 05:31:26,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:31:26,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:31:26,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:31:26,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,354 INFO L229 MonitoredProcess]: Starting monitored process 104 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 05:31:26,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-08-31 05:31:26,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:31:26,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:26,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:26,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-08-31 05:31:26,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,383 INFO L229 MonitoredProcess]: Starting monitored process 105 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 05:31:26,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-08-31 05:31:26,385 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 05:31:26,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:26,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:26,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,424 INFO L229 MonitoredProcess]: Starting monitored process 106 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 05:31:26,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-08-31 05:31:26,428 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 05:31:26,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:26,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:26,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,470 INFO L229 MonitoredProcess]: Starting monitored process 107 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 05:31:26,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-08-31 05:31:26,473 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 05:31:26,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:26,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:26,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-08-31 05:31:26,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,499 INFO L229 MonitoredProcess]: Starting monitored process 108 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 05:31:26,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-08-31 05:31:26,510 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 05:31:26,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,517 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-08-31 05:31:26,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,522 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-31 05:31:26,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:26,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:31:26,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,555 INFO L229 MonitoredProcess]: Starting monitored process 109 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 05:31:26,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-08-31 05:31:26,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:31:26,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:31:26,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:31:26,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:31:26,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:31:26,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:31:26,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:31:26,583 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:31:26,600 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-08-31 05:31:26,600 INFO L444 ModelExtractionUtils]: 20 out of 55 variables were initially zero. Simplification set additionally 32 variables to zero. [2021-08-31 05:31:26,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:31:26,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:31:26,601 INFO L229 MonitoredProcess]: Starting monitored process 110 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 05:31:26,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-08-31 05:31:26,603 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:31:26,609 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:31:26,609 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:31:26,609 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_free_17_~i~1, ULTIMATE.start_free_17_~len) = -1*ULTIMATE.start_free_17_~i~1 + 1*ULTIMATE.start_free_17_~len Supporting invariants [] [2021-08-31 05:31:26,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:26,645 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-08-31 05:31:26,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:31:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:31:26,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:31:26,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:31:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:31:26,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:31:26,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:31:26,782 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 05:31:26,783 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 05:31:26,783 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 67 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 05:31:26,806 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 67 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) Result 62 states and 70 transitions. Complement of second has 4 states. [2021-08-31 05:31:26,807 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 05:31:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 05:31:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2021-08-31 05:31:26,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 42 letters. Loop has 2 letters. [2021-08-31 05:31:26,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:31:26,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 44 letters. Loop has 2 letters. [2021-08-31 05:31:26,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:31:26,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 42 letters. Loop has 4 letters. [2021-08-31 05:31:26,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:31:26,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 70 transitions. [2021-08-31 05:31:26,808 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:31:26,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 0 states and 0 transitions. [2021-08-31 05:31:26,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 05:31:26,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 05:31:26,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 05:31:26,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:31:26,808 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:31:26,808 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:31:26,808 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:31:26,808 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-08-31 05:31:26,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 05:31:26,808 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:31:26,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 05:31:26,811 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 05:31:26,814 INFO L158 Benchmark]: Toolchain (without parser) took 585243.52ms. Allocated memory was 54.5MB in the beginning and 125.8MB in the end (delta: 71.3MB). Free memory was 29.7MB in the beginning and 57.7MB in the end (delta: -28.0MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2021-08-31 05:31:26,814 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:31:26,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.65ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.5MB in the beginning and 38.6MB in the end (delta: -9.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-08-31 05:31:26,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.08ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 36.3MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 05:31:26,814 INFO L158 Benchmark]: Boogie Preprocessor took 15.72ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 34.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:31:26,815 INFO L158 Benchmark]: RCFGBuilder took 204.70ms. Allocated memory is still 67.1MB. Free memory was 34.7MB in the beginning and 39.7MB in the end (delta: -5.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-08-31 05:31:26,815 INFO L158 Benchmark]: BuchiAutomizer took 584537.50ms. Allocated memory was 67.1MB in the beginning and 125.8MB in the end (delta: 58.7MB). Free memory was 39.5MB in the beginning and 57.7MB in the end (delta: -18.3MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2021-08-31 05:31:26,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.65ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.5MB in the beginning and 38.6MB in the end (delta: -9.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.08ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 36.3MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.72ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 34.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 204.70ms. Allocated memory is still 67.1MB. Free memory was 34.7MB in the beginning and 39.7MB in the end (delta: -5.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 584537.50ms. Allocated memory was 67.1MB in the beginning and 125.8MB in the end (delta: 58.7MB). Free memory was 39.5MB in the beginning and 57.7MB in the end (delta: -18.3MB). Peak memory consumption was 40.5MB. 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 15 terminating modules (10 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function len + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * i + len and consists of 4 locations. One deterministic module has affine ranking function -2 * i + unknown-#length-unknown[array] and consists of 20 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 4 locations. One deterministic module has affine ranking function -1 * i + len and consists of 3 locations. 10 modules have a trivial ranking function, the largest among these consists of 19 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 05:31:26,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:27,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:27,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:27,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-31 05:31:27,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-08-31 05:31:27,874 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...