./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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/array-industry-pattern/array_ptr_single_elem_init-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 b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:10:18,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:10:18,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:10:18,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:10:18,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:10:18,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:10:18,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:10:18,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:10:18,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:10:18,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:10:18,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:10:18,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:10:18,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:10:18,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:10:18,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:10:18,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:10:18,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:10:18,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:10:18,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:10:18,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:10:18,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:10:18,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:10:18,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:10:18,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:10:18,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:10:18,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:10:18,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:10:18,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:10:18,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:10:18,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:10:18,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:10:18,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:10:18,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:10:18,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:10:18,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:10:18,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:10:18,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:10:18,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:10:18,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:10:18,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:10:18,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:10:18,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:10:18,399 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:10:18,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:10:18,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:10:18,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:10:18,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:10:18,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:10:18,406 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:10:18,406 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:10:18,406 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:10:18,406 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:10:18,407 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:10:18,407 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:10:18,407 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:10:18,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:10:18,408 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:10:18,408 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:10:18,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:10:18,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:10:18,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:10:18,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:10:18,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:10:18,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:10:18,410 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:10:18,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:10:18,410 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:10:18,410 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:10:18,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:10:18,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:10:18,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:10:18,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:10:18,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:10:18,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:10:18,412 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:10:18,412 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 [2021-12-14 23:10:18,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:10:18,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:10:18,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:10:18,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:10:18,671 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:10:18,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2021-12-14 23:10:18,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f362603/acd8e784b9a84768beb514be2f07e8a5/FLAGe2c757702 [2021-12-14 23:10:19,119 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:10:19,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2021-12-14 23:10:19,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f362603/acd8e784b9a84768beb514be2f07e8a5/FLAGe2c757702 [2021-12-14 23:10:19,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f362603/acd8e784b9a84768beb514be2f07e8a5 [2021-12-14 23:10:19,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:10:19,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:10:19,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:10:19,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:10:19,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:10:19,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228959e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19, skipping insertion in model container [2021-12-14 23:10:19,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:10:19,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:10:19,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i[821,834] [2021-12-14 23:10:19,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:10:19,332 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:10:19,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i[821,834] [2021-12-14 23:10:19,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:10:19,377 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:10:19,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19 WrapperNode [2021-12-14 23:10:19,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:10:19,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:10:19,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:10:19,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:10:19,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,419 INFO L137 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2021-12-14 23:10:19,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:10:19,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:10:19,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:10:19,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:10:19,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:10:19,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:10:19,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:10:19,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:10:19,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19" (1/1) ... [2021-12-14 23:10:19,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:19,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:19,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:19,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-14 23:10:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:10:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:10:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 23:10:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 23:10:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:10:19,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:10:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 23:10:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 23:10:19,589 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:10:19,591 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:10:19,759 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:10:19,766 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:10:19,766 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 23:10:19,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:10:19 BoogieIcfgContainer [2021-12-14 23:10:19,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:10:19,774 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:10:19,778 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:10:19,797 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:10:19,798 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:10:19,798 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:10:19" (1/3) ... [2021-12-14 23:10:19,800 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ec88407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:10:19, skipping insertion in model container [2021-12-14 23:10:19,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:10:19,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:19" (2/3) ... [2021-12-14 23:10:19,800 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ec88407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:10:19, skipping insertion in model container [2021-12-14 23:10:19,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:10:19,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:10:19" (3/3) ... [2021-12-14 23:10:19,801 INFO L388 chiAutomizerObserver]: Analyzing ICFG array_ptr_single_elem_init-2.i [2021-12-14 23:10:19,864 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:10:19,864 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:10:19,864 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:10:19,864 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:10:19,865 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:10:19,865 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:10:19,865 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:10:19,865 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:10:19,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 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) [2021-12-14 23:10:19,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-14 23:10:19,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:19,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:19,906 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-14 23:10:19,906 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-14 23:10:19,906 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:10:19,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 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) [2021-12-14 23:10:19,909 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-14 23:10:19,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:19,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:19,909 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-14 23:10:19,910 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-14 23:10:19,918 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0; 4#L21-3true [2021-12-14 23:10:19,919 INFO L793 eck$LassoCheckResult]: Loop: 4#L21-3true assume !!(main_~i~0#1 < 100000);main_~q~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 9#L25true assume 0 == main_~q~0#1;call write~int(1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~int((if main_~i~0#1 < 0 && 0 != main_~i~0#1 % 2 then main_~i~0#1 % 2 - 2 else main_~i~0#1 % 2), main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~0#1, 4); 15#L25-2true call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6#L30true assume !(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 18#L21-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 4#L21-3true [2021-12-14 23:10:19,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:19,934 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-14 23:10:19,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:19,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56936182] [2021-12-14 23:10:19,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:19,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:20,039 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:20,077 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:20,081 INFO L85 PathProgramCache]: Analyzing trace with hash 38268879, now seen corresponding path program 1 times [2021-12-14 23:10:20,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:20,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577870231] [2021-12-14 23:10:20,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:20,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:20,138 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:20,159 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:20,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:20,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1809708365, now seen corresponding path program 1 times [2021-12-14 23:10:20,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:20,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271429272] [2021-12-14 23:10:20,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:20,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:20,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:20,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:10:20,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271429272] [2021-12-14 23:10:20,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271429272] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:10:20,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:10:20,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:10:20,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820189528] [2021-12-14 23:10:20,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:10:20,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:10:20,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:10:20,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:10:20,483 INFO L87 Difference]: Start difference. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 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) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:20,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:10:20,558 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-12-14 23:10:20,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:10:20,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2021-12-14 23:10:20,567 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-12-14 23:10:20,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 18 states and 24 transitions. [2021-12-14 23:10:20,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-12-14 23:10:20,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-14 23:10:20,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2021-12-14 23:10:20,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:10:20,573 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-12-14 23:10:20,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2021-12-14 23:10:20,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-12-14 23:10:20,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-12-14 23:10:20,596 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-12-14 23:10:20,596 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-12-14 23:10:20,597 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:10:20,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-12-14 23:10:20,598 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-14 23:10:20,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:20,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:20,599 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-14 23:10:20,599 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-14 23:10:20,599 INFO L791 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2); 63#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0; 59#L21-3 [2021-12-14 23:10:20,600 INFO L793 eck$LassoCheckResult]: Loop: 59#L21-3 assume !!(main_~i~0#1 < 100000);main_~q~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 61#L25 assume !(0 == main_~q~0#1); 69#L25-2 call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 74#L30 assume !(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 71#L21-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 59#L21-3 [2021-12-14 23:10:20,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:20,601 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-12-14 23:10:20,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:20,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544245277] [2021-12-14 23:10:20,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:20,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:20,639 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:20,653 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:20,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:20,656 INFO L85 PathProgramCache]: Analyzing trace with hash 38328461, now seen corresponding path program 1 times [2021-12-14 23:10:20,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:20,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538162633] [2021-12-14 23:10:20,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:20,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:20,666 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:20,681 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:20,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:20,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1809767947, now seen corresponding path program 1 times [2021-12-14 23:10:20,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:20,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080371858] [2021-12-14 23:10:20,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:20,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:20,703 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:20,716 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:21,057 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:10:21,059 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:10:21,059 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:10:21,059 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:10:21,059 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:10:21,059 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:21,059 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:10:21,060 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:10:21,060 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration2_Lasso [2021-12-14 23:10:21,060 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:10:21,060 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:10:21,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:21,529 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:10:21,532 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:10:21,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:21,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:21,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:21,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:21,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-14 23:10:21,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:21,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:21,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:21,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:21,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:21,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:21,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:21,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:21,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:21,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:21,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:21,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:21,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-14 23:10:21,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:21,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:21,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:21,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:21,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:21,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:21,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:21,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:21,702 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 [2021-12-14 23:10:21,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:21,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:21,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:21,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-14 23:10:21,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:21,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:21,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:21,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:21,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:21,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:21,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:21,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:21,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:21,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:21,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:21,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:21,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:21,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-14 23:10:21,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:21,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:21,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:21,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:21,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:21,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:21,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:21,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:21,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-14 23:10:21,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:21,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:21,782 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:21,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-14 23:10:21,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:21,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:21,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:21,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:21,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:21,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:21,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:21,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:21,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:21,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:21,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:21,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:21,827 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:21,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-14 23:10:21,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:21,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:21,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:21,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:21,837 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:10:21,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:21,839 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:10:21,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:21,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:21,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:21,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:21,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:21,861 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:21,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-14 23:10:21,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:21,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:21,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:21,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:21,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:21,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:21,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:21,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:21,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:21,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:21,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:21,914 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:21,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-14 23:10:21,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:21,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:21,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:21,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:21,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:21,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:21,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:21,967 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:10:22,013 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-14 23:10:22,013 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-14 23:10:22,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:22,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:22,017 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:22,064 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:10:22,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-14 23:10:22,090 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-14 23:10:22,091 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:10:22,091 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 199999*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-12-14 23:10:22,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:22,132 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2021-12-14 23:10:22,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:22,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:10:22,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:22,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 23:10:22,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:22,268 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-14 23:10:22,269 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:22,307 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 36 transitions. Complement of second has 7 states. [2021-12-14 23:10:22,307 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 [2021-12-14 23:10:22,308 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) [2021-12-14 23:10:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-12-14 23:10:22,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 5 letters. [2021-12-14 23:10:22,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:22,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 5 letters. [2021-12-14 23:10:22,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:22,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 10 letters. [2021-12-14 23:10:22,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:22,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2021-12-14 23:10:22,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-14 23:10:22,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 23 transitions. [2021-12-14 23:10:22,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-14 23:10:22,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-14 23:10:22,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2021-12-14 23:10:22,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:10:22,314 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-14 23:10:22,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2021-12-14 23:10:22,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-14 23:10:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:22,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-12-14 23:10:22,316 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-14 23:10:22,316 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-14 23:10:22,316 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-14 23:10:22,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-12-14 23:10:22,317 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-14 23:10:22,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:22,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:22,317 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-14 23:10:22,318 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:10:22,318 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2); 188#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0; 181#L21-3 assume !(main_~i~0#1 < 100000); 182#L21-4 call write~int(1, main_~#a~0#1.base, 60000 + main_~#a~0#1.offset, 4);main_~i~0#1 := 0; 190#L43-3 [2021-12-14 23:10:22,318 INFO L793 eck$LassoCheckResult]: Loop: 190#L43-3 assume !!(main_~i~0#1 < 100000); 195#L45 assume !(15000 == main_~i~0#1); 189#L43-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 190#L43-3 [2021-12-14 23:10:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:22,318 INFO L85 PathProgramCache]: Analyzing trace with hash 925725, now seen corresponding path program 1 times [2021-12-14 23:10:22,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:22,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596969713] [2021-12-14 23:10:22,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:22,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:22,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:22,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:10:22,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596969713] [2021-12-14 23:10:22,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596969713] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:10:22,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:10:22,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:10:22,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929147691] [2021-12-14 23:10:22,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:10:22,337 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:10:22,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:22,338 INFO L85 PathProgramCache]: Analyzing trace with hash 71947, now seen corresponding path program 1 times [2021-12-14 23:10:22,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:22,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332902134] [2021-12-14 23:10:22,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:22,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:22,341 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:22,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:22,355 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:10:22,355 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:10:22,355 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:10:22,355 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:10:22,356 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-14 23:10:22,356 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:22,356 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:10:22,356 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:10:22,356 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration3_Loop [2021-12-14 23:10:22,356 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:10:22,356 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:10:22,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:22,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:22,394 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:10:22,395 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-14 23:10:22,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:22,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:22,397 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:22,404 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:10:22,405 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:10:22,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-14 23:10:22,436 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:10:22,436 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:10:22,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:22,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:22,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:22,466 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:22,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:10:22,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:10:22,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-14 23:10:22,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:22,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:22,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:22,503 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:22,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-14 23:10:22,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-14 23:10:22,505 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:10:22,578 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-14 23:10:22,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:22,581 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:10:22,581 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:10:22,582 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:10:22,582 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:10:22,582 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:10:22,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:22,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:10:22,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:10:22,582 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration3_Loop [2021-12-14 23:10:22,582 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:10:22,582 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:10:22,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:22,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:22,634 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:10:22,634 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:10:22,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:22,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:22,636 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:22,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-14 23:10:22,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:22,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:22,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:22,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:22,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:22,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:22,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:22,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:22,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:22,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:22,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:22,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:22,667 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:22,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-14 23:10:22,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:22,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:22,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:22,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:22,680 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:10:22,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:22,682 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:10:22,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:22,684 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:10:22,686 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-14 23:10:22,686 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-14 23:10:22,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:22,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:22,688 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:22,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-14 23:10:22,692 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:10:22,692 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-14 23:10:22,692 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:10:22,693 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199999 Supporting invariants [] [2021-12-14 23:10:22,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:22,709 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-14 23:10:22,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:22,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:10:22,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:22,746 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:10:22,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:22,771 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-14 23:10:22,771 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8 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) [2021-12-14 23:10:22,782 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8. 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 22 states and 30 transitions. Complement of second has 4 states. [2021-12-14 23:10:22,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-14 23:10:22,784 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) [2021-12-14 23:10:22,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2021-12-14 23:10:22,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2021-12-14 23:10:22,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:22,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2021-12-14 23:10:22,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:22,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2021-12-14 23:10:22,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:22,785 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2021-12-14 23:10:22,786 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:10:22,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2021-12-14 23:10:22,786 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:10:22,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:10:22,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:10:22,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:10:22,787 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:10:22,787 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:10:22,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:10:22,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 23:10:22,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 23:10:22,788 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:22,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:10:22,788 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-14 23:10:22,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 23:10:22,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-14 23:10:22,789 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:10:22,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 23:10:22,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:10:22,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:10:22,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:10:22,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:10:22,790 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:10:22,790 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:10:22,790 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:10:22,790 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-14 23:10:22,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:10:22,790 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:10:22,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:10:22,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:10:22 BoogieIcfgContainer [2021-12-14 23:10:22,796 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:10:22,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:10:22,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:10:22,797 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:10:22,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:10:19" (3/4) ... [2021-12-14 23:10:22,799 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:10:22,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:10:22,800 INFO L158 Benchmark]: Toolchain (without parser) took 3658.83ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 76.3MB in the beginning and 60.4MB in the end (delta: 15.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2021-12-14 23:10:22,800 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:10:22,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.02ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 75.8MB in the beginning and 106.7MB in the end (delta: -30.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 23:10:22,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.78ms. Allocated memory is still 130.0MB. Free memory was 106.7MB in the beginning and 105.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:10:22,802 INFO L158 Benchmark]: Boogie Preprocessor took 35.31ms. Allocated memory is still 130.0MB. Free memory was 105.1MB in the beginning and 103.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:10:22,802 INFO L158 Benchmark]: RCFGBuilder took 316.95ms. Allocated memory is still 130.0MB. Free memory was 103.6MB in the beginning and 93.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-14 23:10:22,803 INFO L158 Benchmark]: BuchiAutomizer took 3021.78ms. Allocated memory is still 130.0MB. Free memory was 93.1MB in the beginning and 61.2MB in the end (delta: 31.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2021-12-14 23:10:22,803 INFO L158 Benchmark]: Witness Printer took 3.04ms. Allocated memory is still 130.0MB. Free memory was 61.2MB in the beginning and 60.4MB in the end (delta: 870.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:10:22,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.02ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 75.8MB in the beginning and 106.7MB in the end (delta: -30.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.78ms. Allocated memory is still 130.0MB. Free memory was 106.7MB in the beginning and 105.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.31ms. Allocated memory is still 130.0MB. Free memory was 105.1MB in the beginning and 103.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.95ms. Allocated memory is still 130.0MB. Free memory was 103.6MB in the beginning and 93.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3021.78ms. Allocated memory is still 130.0MB. Free memory was 93.1MB in the beginning and 61.2MB in the end (delta: 31.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Witness Printer took 3.04ms. Allocated memory is still 130.0MB. Free memory was 61.2MB in the beginning and 60.4MB in the end (delta: 870.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 199999 * unknown-#length-unknown[a] + -8 * i and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 199999 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 34 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital58 mio100 ax100 hnf100 lsp96 ukn92 mio100 lsp79 div100 bol100 ite100 ukn100 eq166 hnf94 smp100 dnf143 smp94 tf103 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-14 23:10:22,835 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 [2021-12-14 23:10:23,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:23,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE