./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memsetNonZero3.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-memsafety/memsetNonZero3.c -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 6b14dd63832ca953bb678ff696ab3d8598ab5b62 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 03:27:55,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 03:27:55,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 03:27:55,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 03:27:55,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 03:27:55,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 03:27:55,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 03:27:55,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 03:27:55,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 03:27:55,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 03:27:55,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 03:27:55,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 03:27:55,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 03:27:55,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 03:27:55,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 03:27:55,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 03:27:55,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 03:27:55,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 03:27:55,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 03:27:55,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 03:27:55,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 03:27:55,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 03:27:55,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 03:27:55,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 03:27:55,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 03:27:55,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 03:27:55,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 03:27:55,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 03:27:55,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 03:27:55,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 03:27:55,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 03:27:55,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 03:27:55,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 03:27:55,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 03:27:55,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 03:27:55,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 03:27:55,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 03:27:55,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 03:27:55,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 03:27:55,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 03:27:55,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 03:27:55,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 03:27:55,622 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 03:27:55,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 03:27:55,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 03:27:55,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 03:27:55,624 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 03:27:55,624 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 03:27:55,624 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 03:27:55,625 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 03:27:55,625 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 03:27:55,625 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 03:27:55,625 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 03:27:55,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 03:27:55,626 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 03:27:55,626 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 03:27:55,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 03:27:55,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 03:27:55,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 03:27:55,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 03:27:55,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 03:27:55,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 03:27:55,628 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 03:27:55,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 03:27:55,628 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 03:27:55,628 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 03:27:55,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 03:27:55,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 03:27:55,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 03:27:55,629 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 03:27:55,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 03:27:55,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 03:27:55,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 03:27:55,630 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 03:27:55,631 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 03:27:55,632 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> 6b14dd63832ca953bb678ff696ab3d8598ab5b62 [2020-07-29 03:27:55,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 03:27:56,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 03:27:56,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 03:27:56,029 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 03:27:56,029 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 03:27:56,031 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memsetNonZero3.c [2020-07-29 03:27:56,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d586350/24dd104e27614b7bbb3180db81e3b080/FLAG10165091d [2020-07-29 03:27:56,601 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 03:27:56,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memsetNonZero3.c [2020-07-29 03:27:56,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d586350/24dd104e27614b7bbb3180db81e3b080/FLAG10165091d [2020-07-29 03:27:56,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d586350/24dd104e27614b7bbb3180db81e3b080 [2020-07-29 03:27:56,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 03:27:56,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 03:27:56,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 03:27:56,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 03:27:56,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 03:27:56,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:27:56" (1/1) ... [2020-07-29 03:27:56,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7239f6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:56, skipping insertion in model container [2020-07-29 03:27:56,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:27:56" (1/1) ... [2020-07-29 03:27:56,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 03:27:56,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 03:27:57,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:27:57,185 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 03:27:57,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:27:57,221 INFO L208 MainTranslator]: Completed translation [2020-07-29 03:27:57,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57 WrapperNode [2020-07-29 03:27:57,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 03:27:57,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 03:27:57,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 03:27:57,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 03:27:57,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57" (1/1) ... [2020-07-29 03:27:57,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57" (1/1) ... [2020-07-29 03:27:57,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 03:27:57,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 03:27:57,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 03:27:57,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 03:27:57,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57" (1/1) ... [2020-07-29 03:27:57,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57" (1/1) ... [2020-07-29 03:27:57,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57" (1/1) ... [2020-07-29 03:27:57,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57" (1/1) ... [2020-07-29 03:27:57,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57" (1/1) ... [2020-07-29 03:27:57,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57" (1/1) ... [2020-07-29 03:27:57,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57" (1/1) ... [2020-07-29 03:27:57,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 03:27:57,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 03:27:57,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 03:27:57,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 03:27:57,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:27:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-07-29 03:27:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-07-29 03:27:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 03:27:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 03:27:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 03:27:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 03:27:57,486 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 03:27:57,633 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 03:27:57,633 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 03:27:57,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:27:57 BoogieIcfgContainer [2020-07-29 03:27:57,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 03:27:57,638 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 03:27:57,638 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 03:27:57,642 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 03:27:57,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:27:57,643 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 03:27:56" (1/3) ... [2020-07-29 03:27:57,644 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c0bd3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:27:57, skipping insertion in model container [2020-07-29 03:27:57,645 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:27:57,646 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:57" (2/3) ... [2020-07-29 03:27:57,646 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c0bd3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:27:57, skipping insertion in model container [2020-07-29 03:27:57,647 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:27:57,647 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:27:57" (3/3) ... [2020-07-29 03:27:57,649 INFO L371 chiAutomizerObserver]: Analyzing ICFG memsetNonZero3.c [2020-07-29 03:27:57,712 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 03:27:57,714 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 03:27:57,715 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 03:27:57,715 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 03:27:57,715 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 03:27:57,715 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 03:27:57,715 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 03:27:57,716 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 03:27:57,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 03:27:57,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:27:57,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:27:57,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:27:57,793 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 03:27:57,793 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 03:27:57,793 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 03:27:57,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 03:27:57,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:27:57,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:27:57,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:27:57,798 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 03:27:57,798 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 03:27:57,805 INFO L794 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~memset~res3.base, main_#t~memset~res3.offset, main_~#cstats~0.base, main_~#cstats~0.offset, main_~point~0.base, main_~point~0.offset;call main_~#cstats~0.base, main_~#cstats~0.offset := #Ultimate.allocOnStack(80);havoc main_~point~0.base, main_~point~0.offset;main_~point~0.base, main_~point~0.offset := main_~#cstats~0.base, main_~#cstats~0.offset; 11#L29true call main_#t~memset~res3.base, main_#t~memset~res3.offset := #Ultimate.C_memset(main_~point~0.base, main_~point~0.offset, 10, 80);< 6##Ultimate.C_memsetENTRYtrue assume 1 == #valid[#ptr.base];assume #amount + #ptr.offset <= #length[#ptr.base] && 0 <= #ptr.offset; 4#$Ultimate##0true #t~loopctr5 := 0; 14#L-1-1true [2020-07-29 03:27:57,805 INFO L796 eck$LassoCheckResult]: Loop: 14#L-1-1true assume #t~loopctr5 < #amount;#t~loopctr5 := 1 + #t~loopctr5; 14#L-1-1true [2020-07-29 03:27:57,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:27:57,811 INFO L82 PathProgramCache]: Analyzing trace with hash 37284879, now seen corresponding path program 1 times [2020-07-29 03:27:57,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:27:57,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988870022] [2020-07-29 03:27:57,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:27:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:57,931 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:57,948 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:57,968 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:27:57,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:27:57,970 INFO L82 PathProgramCache]: Analyzing trace with hash 36, now seen corresponding path program 1 times [2020-07-29 03:27:57,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:27:57,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948362751] [2020-07-29 03:27:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:27:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:57,976 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:57,979 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:57,980 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:27:57,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:27:57,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1155831254, now seen corresponding path program 1 times [2020-07-29 03:27:57,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:27:57,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349079207] [2020-07-29 03:27:57,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:27:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:58,000 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:58,017 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:58,022 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:27:58,085 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:27:58,086 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:27:58,086 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:27:58,087 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:27:58,087 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 03:27:58,087 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:27:58,087 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:27:58,087 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:27:58,088 INFO L133 ssoRankerPreferences]: Filename of dumped script: memsetNonZero3.c_Iteration1_Loop [2020-07-29 03:27:58,088 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:27:58,088 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:27:58,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:27:58,221 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:27:58,221 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:27:58,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:27:58,229 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:27:58,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 03:27:58,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:27:58,450 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 03:27:58,452 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:27:58,452 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:27:58,452 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:27:58,453 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:27:58,453 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 03:27:58,453 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:27:58,453 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:27:58,453 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:27:58,453 INFO L133 ssoRankerPreferences]: Filename of dumped script: memsetNonZero3.c_Iteration1_Loop [2020-07-29 03:27:58,453 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:27:58,453 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:27:58,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:27:58,521 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:27:58,526 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:27:58,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 03:27:58,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:27:58,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:27:58,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:27:58,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:27:58,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:27:58,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:27:58,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:27:58,544 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 03:27:58,552 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 03:27:58,553 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:27:58,558 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 03:27:58,559 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 03:27:58,560 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 03:27:58,560 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memset_#t~loopctr5, #Ultimate.C_memset_#amount) = -1*#Ultimate.C_memset_#t~loopctr5 + 1*#Ultimate.C_memset_#amount Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:27:58,601 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 03:27:58,607 INFO L393 LassoCheck]: Loop: "assume #t~loopctr5 < #amount;#t~loopctr5 := 1 + #t~loopctr5;" [2020-07-29 03:27:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:27:58,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #amount [2020-07-29 03:27:58,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:27:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:27:58,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 03:27:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:27:58,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:27:58,720 INFO L280 TraceCheckUtils]: 0: Hoare triple {22#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {22#unseeded} is VALID [2020-07-29 03:27:58,721 INFO L280 TraceCheckUtils]: 1: Hoare triple {22#unseeded} havoc main_#res;havoc main_#t~memset~res3.base, main_#t~memset~res3.offset, main_~#cstats~0.base, main_~#cstats~0.offset, main_~point~0.base, main_~point~0.offset;call main_~#cstats~0.base, main_~#cstats~0.offset := #Ultimate.allocOnStack(80);havoc main_~point~0.base, main_~point~0.offset;main_~point~0.base, main_~point~0.offset := main_~#cstats~0.base, main_~#cstats~0.offset; {22#unseeded} is VALID [2020-07-29 03:27:58,723 INFO L263 TraceCheckUtils]: 2: Hoare triple {22#unseeded} call main_#t~memset~res3.base, main_#t~memset~res3.offset := #Ultimate.C_memset(main_~point~0.base, main_~point~0.offset, 10, 80); {22#unseeded} is VALID [2020-07-29 03:27:58,724 INFO L280 TraceCheckUtils]: 3: Hoare triple {22#unseeded} assume 1 == #valid[#ptr.base];assume #amount + #ptr.offset <= #length[#ptr.base] && 0 <= #ptr.offset; {22#unseeded} is VALID [2020-07-29 03:27:58,725 INFO L280 TraceCheckUtils]: 4: Hoare triple {22#unseeded} #t~loopctr5 := 0; {22#unseeded} is VALID [2020-07-29 03:27:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:27:58,731 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 03:27:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:27:58,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:27:58,738 INFO L280 TraceCheckUtils]: 0: Hoare triple {25#(>= oldRank0 (+ (* (- 1) |#Ultimate.C_memset_#t~loopctr5|) |#Ultimate.C_memset_#amount|))} assume #t~loopctr5 < #amount;#t~loopctr5 := 1 + #t~loopctr5; {35#(or (and (> oldRank0 (+ (* (- 1) |#Ultimate.C_memset_#t~loopctr5|) |#Ultimate.C_memset_#amount|)) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 03:27:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 03:27:58,752 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 03:27:58,764 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 03:27:58,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:27:58,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,777 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-07-29 03:27:58,779 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 2 states. [2020-07-29 03:27:58,862 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 2 states. Result 15 states and 17 transitions. Complement of second has 6 states. [2020-07-29 03:27:58,862 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 [2020-07-29 03:27:58,862 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:27:58,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 03:27:58,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:27:58,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:27:58,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:27:58,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 03:27:58,873 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:27:58,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:27:58,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:27:58,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2020-07-29 03:27:58,875 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:27:58,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:27:58,878 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 12 states. [2020-07-29 03:27:58,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:27:58,881 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 03:27:58,882 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 03:27:58,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:27:58,884 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 03:27:58,884 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states and 17 transitions. cyclomatic complexity: 3 [2020-07-29 03:27:58,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. cyclomatic complexity: 3 [2020-07-29 03:27:58,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:27:58,885 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 03:27:58,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:27:58,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:27:58,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:27:58,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:27:58,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:27:58,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:27:58,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 03:27:58,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 03:27:58,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 15 letters. Loop has 15 letters. [2020-07-29 03:27:58,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 12 letters. Loop has 12 letters. [2020-07-29 03:27:58,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 12 letters. Loop has 12 letters. [2020-07-29 03:27:58,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 12 letters. Loop has 12 letters. [2020-07-29 03:27:58,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:27:58,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:27:58,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:27:58,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:27:58,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:27:58,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:27:58,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:27:58,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:27:58,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 3 Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:27:58,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,897 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:27:58,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 03:27:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-07-29 03:27:58,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:27:58,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:27:58,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2020-07-29 03:27:58,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:27:58,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. cyclomatic complexity: 3 [2020-07-29 03:27:58,907 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:27:58,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-07-29 03:27:58,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 03:27:58,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 03:27:58,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 03:27:58,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 03:27:58,913 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:27:58,914 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:27:58,914 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:27:58,914 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 03:27:58,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 03:27:58,915 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:27:58,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:27:58,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 03:27:58 BoogieIcfgContainer [2020-07-29 03:27:58,922 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 03:27:58,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 03:27:58,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 03:27:58,924 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 03:27:58,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:27:57" (3/4) ... [2020-07-29 03:27:58,929 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 03:27:58,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 03:27:58,933 INFO L168 Benchmark]: Toolchain (without parser) took 1973.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -50.7 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. [2020-07-29 03:27:58,934 INFO L168 Benchmark]: CDTParser took 1.56 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:27:58,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.29 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:27:58,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.51 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:27:58,936 INFO L168 Benchmark]: Boogie Preprocessor took 82.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 03:27:58,938 INFO L168 Benchmark]: RCFGBuilder took 295.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-07-29 03:27:58,939 INFO L168 Benchmark]: BuchiAutomizer took 1284.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.1 MB). Peak memory consumption was 86.1 MB. Max. memory is 11.5 GB. [2020-07-29 03:27:58,939 INFO L168 Benchmark]: Witness Printer took 6.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:27:58,944 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.29 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.51 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 295.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1284.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.1 MB). Peak memory consumption was 86.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #amount * 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 -1 * aux-#t~loopctr5-aux + unknown-#amount-unknown and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 6 SDtfs, 7 SDslu, 1 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...