./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/java_Break-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/java_Break-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c390f2bb68198128822c2beb94f8e36148a0f7be ........................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 18:36:57,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 18:36:57,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 18:36:57,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 18:36:57,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 18:36:57,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 18:36:57,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 18:36:57,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 18:36:57,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 18:36:57,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 18:36:57,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 18:36:57,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 18:36:57,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 18:36:57,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 18:36:57,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 18:36:57,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 18:36:57,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 18:36:57,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 18:36:57,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 18:36:57,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 18:36:57,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 18:36:57,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 18:36:57,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 18:36:57,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 18:36:57,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 18:36:57,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 18:36:57,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 18:36:57,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 18:36:57,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 18:36:57,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 18:36:57,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 18:36:57,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 18:36:57,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 18:36:57,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 18:36:57,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 18:36:57,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 18:36:57,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 18:36:57,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 18:36:57,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 18:36:57,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 18:36:57,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 18:36:57,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-07-06 18:36:57,555 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 18:36:57,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 18:36:57,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 18:36:57,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 18:36:57,556 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 18:36:57,556 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 18:36:57,556 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 18:36:57,556 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 18:36:57,563 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 18:36:57,563 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 18:36:57,563 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 18:36:57,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 18:36:57,563 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 18:36:57,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 18:36:57,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 18:36:57,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 18:36:57,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 18:36:57,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 18:36:57,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 18:36:57,564 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 18:36:57,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 18:36:57,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 18:36:57,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 18:36:57,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 18:36:57,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 18:36:57,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 18:36:57,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 18:36:57,566 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 18:36:57,566 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c390f2bb68198128822c2beb94f8e36148a0f7be [2021-07-06 18:36:57,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 18:36:57,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 18:36:57,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 18:36:57,785 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 18:36:57,786 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 18:36:57,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/java_Break-alloca.i [2021-07-06 18:36:57,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165b0d3e6/538ee647e76842edb0966a4d5eb29a31/FLAG2612733a4 [2021-07-06 18:36:58,227 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 18:36:58,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_Break-alloca.i [2021-07-06 18:36:58,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165b0d3e6/538ee647e76842edb0966a4d5eb29a31/FLAG2612733a4 [2021-07-06 18:36:58,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165b0d3e6/538ee647e76842edb0966a4d5eb29a31 [2021-07-06 18:36:58,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 18:36:58,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 18:36:58,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 18:36:58,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 18:36:58,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 18:36:58,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:58,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5908ca78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58, skipping insertion in model container [2021-07-06 18:36:58,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:58,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 18:36:58,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 18:36:58,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 18:36:58,913 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 18:36:58,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 18:36:58,981 INFO L208 MainTranslator]: Completed translation [2021-07-06 18:36:58,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58 WrapperNode [2021-07-06 18:36:58,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 18:36:58,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 18:36:58,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 18:36:58,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 18:36:58,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:59,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:59,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 18:36:59,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 18:36:59,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 18:36:59,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 18:36:59,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:59,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:59,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:59,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:59,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:59,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:59,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:59,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 18:36:59,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 18:36:59,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 18:36:59,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 18:36:59,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58" (1/1) ... [2021-07-06 18:36:59,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:36:59,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:36:59,063 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) [2021-07-06 18:36:59,082 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 [2021-07-06 18:36:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-06 18:36:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-06 18:36:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 18:36:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-06 18:36:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 18:36:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 18:36:59,314 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 18:36:59,315 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-07-06 18:36:59,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 06:36:59 BoogieIcfgContainer [2021-07-06 18:36:59,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 18:36:59,316 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 18:36:59,316 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 18:36:59,318 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 18:36:59,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 18:36:59,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 06:36:58" (1/3) ... [2021-07-06 18:36:59,319 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@308148ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 06:36:59, skipping insertion in model container [2021-07-06 18:36:59,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 18:36:59,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:36:58" (2/3) ... [2021-07-06 18:36:59,319 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@308148ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 06:36:59, skipping insertion in model container [2021-07-06 18:36:59,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 18:36:59,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 06:36:59" (3/3) ... [2021-07-06 18:36:59,320 INFO L389 chiAutomizerObserver]: Analyzing ICFG java_Break-alloca.i [2021-07-06 18:36:59,345 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 18:36:59,345 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 18:36:59,345 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 18:36:59,345 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 18:36:59,345 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 18:36:59,345 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 18:36:59,345 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 18:36:59,345 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 18:36:59,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:36:59,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-07-06 18:36:59,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 18:36:59,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 18:36:59,366 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 18:36:59,366 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 18:36:59,366 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 18:36:59,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:36:59,367 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-07-06 18:36:59,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 18:36:59,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 18:36:59,367 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 18:36:59,367 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 18:36:59,371 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem4, main_#t~mem5, main_#t~post6, main_#t~mem7, main_#t~post8, main_#t~mem9, main_~i~0.base, main_~i~0.offset, main_~c~0.base, main_~c~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~i~0.base, main_~i~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~c~0.base, main_~c~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(0, main_~i~0.base, main_~i~0.offset, 4);call write~int(0, main_~c~0.base, main_~c~0.offset, 4); 8#L552-2true [2021-07-06 18:36:59,371 INFO L793 eck$LassoCheckResult]: Loop: 8#L552-2true assume !false;call main_#t~mem4 := read~int(main_~i~0.base, main_~i~0.offset, 4); 4#L553true assume !(main_#t~mem4 > 10);havoc main_#t~mem4;call main_#t~mem5 := read~int(main_~i~0.base, main_~i~0.offset, 4);main_#t~post6 := main_#t~mem5;call write~int(1 + main_#t~post6, main_~i~0.base, main_~i~0.offset, 4);havoc main_#t~post6;havoc main_#t~mem5;call main_#t~mem7 := read~int(main_~c~0.base, main_~c~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(1 + main_#t~post8, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 8#L552-2true [2021-07-06 18:36:59,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:36:59,374 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-07-06 18:36:59,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:36:59,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496759948] [2021-07-06 18:36:59,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:36:59,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:36:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:36:59,452 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:36:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:36:59,463 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:36:59,473 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:36:59,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:36:59,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2021-07-06 18:36:59,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:36:59,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626157469] [2021-07-06 18:36:59,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:36:59,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:36:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:36:59,482 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:36:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:36:59,487 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:36:59,488 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:36:59,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:36:59,490 INFO L82 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2021-07-06 18:36:59,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:36:59,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258699523] [2021-07-06 18:36:59,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:36:59,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:36:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:36:59,502 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:36:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:36:59,513 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:36:59,516 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:36:59,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:36:59,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-07-06 18:36:59,737 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2021-07-06 18:36:59,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:36:59,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-07-06 18:36:59,802 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 18:36:59,803 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 18:36:59,803 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 18:36:59,803 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 18:36:59,803 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 18:36:59,804 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:36:59,804 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 18:36:59,804 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 18:36:59,804 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Break-alloca.i_Iteration1_Lasso [2021-07-06 18:36:59,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 18:36:59,805 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 18:36:59,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:36:59,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:37:00,309 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 18:37:00,311 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 18:37:00,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:37:00,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:37:00,314 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) [2021-07-06 18:37:00,321 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 [2021-07-06 18:37:00,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:37:00,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:37:00,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:37:00,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:37:00,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:37:00,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:37:00,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:37:00,333 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 [2021-07-06 18:37:00,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:37:00,367 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 [2021-07-06 18:37:00,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:37:00,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:37:00,369 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) [2021-07-06 18:37:00,370 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 [2021-07-06 18:37:00,371 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 [2021-07-06 18:37:00,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:37:00,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:37:00,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:37:00,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:37:00,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:37:00,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:37:00,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:37:00,413 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 [2021-07-06 18:37:00,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:37:00,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:37:00,414 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) [2021-07-06 18:37:00,415 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 [2021-07-06 18:37:00,417 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 [2021-07-06 18:37:00,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:37:00,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:37:00,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:37:00,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:37:00,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:37:00,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:37:00,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:37:00,459 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 [2021-07-06 18:37:00,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:37:00,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:37:00,460 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) [2021-07-06 18:37:00,461 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 [2021-07-06 18:37:00,462 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 [2021-07-06 18:37:00,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:37:00,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:37:00,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:37:00,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:37:00,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:37:00,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:37:00,487 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 18:37:00,495 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-07-06 18:37:00,496 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-07-06 18:37:00,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:37:00,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:37:00,498 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) [2021-07-06 18:37:00,498 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 [2021-07-06 18:37:00,499 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 18:37:00,517 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-07-06 18:37:00,517 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 18:37:00,517 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1 + 21 Supporting invariants [] [2021-07-06 18:37:00,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-07-06 18:37:00,554 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-07-06 18:37:00,592 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 [2021-07-06 18:37:00,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:37:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:37:00,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-06 18:37:00,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:37:00,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:37:00,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:37:00,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:37:00,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:37:00,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:37:00,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:37:00,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:37:00,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:37:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:37:00,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-06 18:37:00,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:37:00,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:37:00,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 18:37:00,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:37:00,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 18:37:00,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:37:00,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 18:37:00,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:37:00,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 18:37:00,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 18:37:00,662 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 [2021-07-06 18:37:00,662 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-07-06 18:37:00,717 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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) Result 18 states and 22 transitions. Complement of second has 7 states. [2021-07-06 18:37:00,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-07-06 18:37:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2021-07-06 18:37:00,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2021-07-06 18:37:00,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2021-07-06 18:37:00,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:37:00,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2021-07-06 18:37:00,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:37:00,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2021-07-06 18:37:00,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:37:00,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2021-07-06 18:37:00,722 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 18:37:00,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-07-06 18:37:00,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 18:37:00,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 18:37:00,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 18:37:00,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 18:37:00,724 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 18:37:00,725 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 18:37:00,725 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 18:37:00,725 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 18:37:00,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 18:37:00,725 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 18:37:00,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 18:37:00,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 06:37:00 BoogieIcfgContainer [2021-07-06 18:37:00,728 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 18:37:00,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 18:37:00,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 18:37:00,729 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 18:37:00,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 06:36:59" (3/4) ... [2021-07-06 18:37:00,731 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 18:37:00,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 18:37:00,731 INFO L168 Benchmark]: Toolchain (without parser) took 2105.41 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 36.7 MB in the beginning and 69.0 MB in the end (delta: -32.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-07-06 18:37:00,732 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 58.7 MB. Free memory was 39.7 MB in the beginning and 39.7 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 18:37:00,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.80 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 36.4 MB in the beginning and 59.4 MB in the end (delta: -22.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-06 18:37:00,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.74 ms. Allocated memory is still 86.0 MB. Free memory was 59.4 MB in the beginning and 57.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 18:37:00,733 INFO L168 Benchmark]: Boogie Preprocessor took 28.13 ms. Allocated memory is still 86.0 MB. Free memory was 57.6 MB in the beginning and 56.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 18:37:00,733 INFO L168 Benchmark]: RCFGBuilder took 271.20 ms. Allocated memory is still 86.0 MB. Free memory was 56.5 MB in the beginning and 64.8 MB in the end (delta: -8.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-07-06 18:37:00,734 INFO L168 Benchmark]: BuchiAutomizer took 1412.21 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 64.8 MB in the beginning and 69.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2021-07-06 18:37:00,734 INFO L168 Benchmark]: Witness Printer took 2.21 ms. Allocated memory is still 104.9 MB. Free memory was 69.8 MB in the beginning and 69.0 MB in the end (delta: 889.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 18:37:00,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 58.7 MB. Free memory was 39.7 MB in the beginning and 39.7 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.80 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 36.4 MB in the beginning and 59.4 MB in the end (delta: -22.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.74 ms. Allocated memory is still 86.0 MB. Free memory was 59.4 MB in the beginning and 57.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.13 ms. Allocated memory is still 86.0 MB. Free memory was 57.6 MB in the beginning and 56.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 271.20 ms. Allocated memory is still 86.0 MB. Free memory was 56.5 MB in the beginning and 64.8 MB in the end (delta: -8.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1412.21 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 64.8 MB in the beginning and 69.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * Witness Printer took 2.21 ms. Allocated memory is still 104.9 MB. Free memory was 69.8 MB in the beginning and 69.0 MB in the end (delta: 889.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[i][i] + 21 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 5 SDslu, 4 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax108 hnf99 lsp87 ukn59 mio100 lsp42 div100 bol100 ite100 ukn100 eq172 hnf89 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-07-06 18:37:00,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...