./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/termination-memory-alloca/genady-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 2f927f4255c7cccf769428cf5a40267dd3884041 .................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:34:18,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:34:18,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:34:18,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:34:18,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:34:18,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:34:18,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:34:18,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:34:18,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:34:18,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:34:18,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:34:18,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:34:18,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:34:18,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:34:18,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:34:18,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:34:18,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:34:18,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:34:18,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:34:18,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:34:18,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:34:18,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:34:18,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:34:18,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:34:18,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:34:18,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:34:18,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:34:18,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:34:18,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:34:18,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:34:18,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:34:18,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:34:18,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:34:18,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:34:18,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:34:18,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:34:18,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:34:18,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:34:18,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:34:18,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:34:18,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:34:18,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:34:18,669 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:34:18,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:34:18,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:34:18,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:34:18,672 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:34:18,672 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:34:18,673 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:34:18,673 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:34:18,673 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:34:18,673 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:34:18,674 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:34:18,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:34:18,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:34:18,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:34:18,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:34:18,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:34:18,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:34:18,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:34:18,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:34:18,678 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:34:18,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:34:18,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:34:18,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:34:18,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:34:18,679 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:34:18,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:34:18,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:34:18,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:34:18,680 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:34:18,681 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:34:18,682 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f927f4255c7cccf769428cf5a40267dd3884041 [2019-11-28 20:34:18,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:34:18,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:34:18,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:34:18,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:34:18,994 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:34:18,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2019-11-28 20:34:19,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a98e58c/640bddbc398c4c8a856c908b3b6ef862/FLAG221dac1a4 [2019-11-28 20:34:19,535 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:34:19,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2019-11-28 20:34:19,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a98e58c/640bddbc398c4c8a856c908b3b6ef862/FLAG221dac1a4 [2019-11-28 20:34:19,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a98e58c/640bddbc398c4c8a856c908b3b6ef862 [2019-11-28 20:34:19,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:34:19,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:34:19,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:34:19,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:34:19,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:34:19,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:34:19" (1/1) ... [2019-11-28 20:34:19,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54da21bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:19, skipping insertion in model container [2019-11-28 20:34:19,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:34:19" (1/1) ... [2019-11-28 20:34:19,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:34:19,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:34:20,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:34:20,391 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:34:20,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:34:20,495 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:34:20,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20 WrapperNode [2019-11-28 20:34:20,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:34:20,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:34:20,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:34:20,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:34:20,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20" (1/1) ... [2019-11-28 20:34:20,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20" (1/1) ... [2019-11-28 20:34:20,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:34:20,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:34:20,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:34:20,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:34:20,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20" (1/1) ... [2019-11-28 20:34:20,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20" (1/1) ... [2019-11-28 20:34:20,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20" (1/1) ... [2019-11-28 20:34:20,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20" (1/1) ... [2019-11-28 20:34:20,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20" (1/1) ... [2019-11-28 20:34:20,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20" (1/1) ... [2019-11-28 20:34:20,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20" (1/1) ... [2019-11-28 20:34:20,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:34:20,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:34:20,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:34:20,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:34:20,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20" (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 [2019-11-28 20:34:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:34:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:34:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:34:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:34:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:34:20,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:34:20,964 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:34:20,964 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-28 20:34:20,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:20 BoogieIcfgContainer [2019-11-28 20:34:20,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:34:20,967 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:34:20,967 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:34:20,971 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:34:20,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:20,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:34:19" (1/3) ... [2019-11-28 20:34:20,974 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46caf6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:34:20, skipping insertion in model container [2019-11-28 20:34:20,974 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:20,974 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:20" (2/3) ... [2019-11-28 20:34:20,975 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46caf6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:34:20, skipping insertion in model container [2019-11-28 20:34:20,975 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:20,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:20" (3/3) ... [2019-11-28 20:34:20,977 INFO L371 chiAutomizerObserver]: Analyzing ICFG genady-alloca.i [2019-11-28 20:34:21,029 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:34:21,029 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:34:21,029 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:34:21,030 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:34:21,030 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:34:21,030 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:34:21,030 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:34:21,030 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:34:21,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-28 20:34:21,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:34:21,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:21,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:21,078 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:34:21,078 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:34:21,079 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:34:21,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-28 20:34:21,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:34:21,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:21,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:21,081 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:34:21,082 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:34:21,088 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem8, main_#t~post9, main_#t~mem4, main_#t~post5, main_#t~mem6, main_#t~mem7, main_~i~0.base, main_~i~0.offset, main_~j~0.base, main_~j~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~i~0.base, main_~i~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~j~0.base, main_~j~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(1, main_~j~0.base, main_~j~0.offset, 4);call write~int(10000, main_~i~0.base, main_~i~0.offset, 4); 6#L550-4true [2019-11-28 20:34:21,089 INFO L796 eck$LassoCheckResult]: Loop: 6#L550-4true call main_#t~mem6 := read~int(main_~i~0.base, main_~i~0.offset, 4);call main_#t~mem7 := read~int(main_~j~0.base, main_~j~0.offset, 4); 11#L550-1true assume !!(main_#t~mem6 - main_#t~mem7 >= 1);havoc main_#t~mem7;havoc main_#t~mem6;call main_#t~mem8 := read~int(main_~j~0.base, main_~j~0.offset, 4);main_#t~post9 := main_#t~mem8;call write~int(1 + main_#t~post9, main_~j~0.base, main_~j~0.offset, 4);havoc main_#t~mem8;havoc main_#t~post9; 5#L550-3true call main_#t~mem4 := read~int(main_~i~0.base, main_~i~0.offset, 4);main_#t~post5 := main_#t~mem4;call write~int(main_#t~post5 - 1, main_~i~0.base, main_~i~0.offset, 4);havoc main_#t~mem4;havoc main_#t~post5; 6#L550-4true [2019-11-28 20:34:21,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:21,096 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 20:34:21,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:21,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159585978] [2019-11-28 20:34:21,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:21,260 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:21,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:21,262 INFO L82 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2019-11-28 20:34:21,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:21,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604709388] [2019-11-28 20:34:21,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:21,358 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:21,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:21,363 INFO L82 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2019-11-28 20:34:21,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:21,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507418983] [2019-11-28 20:34:21,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:21,476 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:21,588 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-11-28 20:34:21,922 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2019-11-28 20:34:22,015 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:34:22,016 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:34:22,016 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:34:22,016 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:34:22,016 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:34:22,016 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:22,016 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:34:22,017 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:34:22,017 INFO L133 ssoRankerPreferences]: Filename of dumped script: genady-alloca.i_Iteration1_Lasso [2019-11-28 20:34:22,017 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:34:22,017 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:34:22,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,297 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2019-11-28 20:34:22,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:22,870 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:34:22,875 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 20:34:22,892 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 [2019-11-28 20:34:22,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:22,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:22,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:22,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:22,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:22,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:22,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:22,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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) [2019-11-28 20:34:22,925 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 [2019-11-28 20:34:22,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:22,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:22,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:22,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:22,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:22,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:22,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:22,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe 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) [2019-11-28 20:34:22,955 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 [2019-11-28 20:34:22,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:22,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:22,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:22,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:22,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:22,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:22,960 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 [2019-11-28 20:34:22,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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) [2019-11-28 20:34:22,987 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 [2019-11-28 20:34:22,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:22,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:22,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:22,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:22,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:22,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:22,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:22,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:23,006 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 [2019-11-28 20:34:23,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:23,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:23,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:23,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:23,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:23,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:23,043 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:34:23,081 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-11-28 20:34:23,081 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:23,089 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:23,095 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 20:34:23,095 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:34:23,096 INFO L512 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) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_1 >= 0] [2019-11-28 20:34:23,151 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2019-11-28 20:34:23,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:34:23,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:23,237 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 20:34:23,239 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:23,266 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:34:23,267 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:23,383 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:23,384 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 66 [2019-11-28 20:34:23,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:34:23,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 20:34:23,405 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:34:23,444 INFO L614 ElimStorePlain]: treesize reduction 67, result has 34.3 percent of original size [2019-11-28 20:34:23,444 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:34:23,444 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:35 [2019-11-28 20:34:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:34:23,488 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 20:34:23,489 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 4 states. [2019-11-28 20:34:23,588 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 4 states. Result 20 states and 22 transitions. Complement of second has 9 states. [2019-11-28 20:34:23,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:34:23,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:34:23,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2019-11-28 20:34:23,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-28 20:34:23,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:23,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-28 20:34:23,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:23,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-28 20:34:23,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:23,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2019-11-28 20:34:23,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:34:23,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2019-11-28 20:34:23,604 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:34:23,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:34:23,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:34:23,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:34:23,605 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:23,605 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:23,606 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:23,606 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:34:23,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:34:23,606 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:34:23,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:34:23,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:34:23 BoogieIcfgContainer [2019-11-28 20:34:23,614 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:34:23,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:34:23,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:34:23,615 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:34:23,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:20" (3/4) ... [2019-11-28 20:34:23,619 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:34:23,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:34:23,621 INFO L168 Benchmark]: Toolchain (without parser) took 3726.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.3 MB in the beginning and 855.7 MB in the end (delta: 96.6 MB). Peak memory consumption was 238.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:23,622 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:23,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:23,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:23,625 INFO L168 Benchmark]: Boogie Preprocessor took 25.48 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:23,625 INFO L168 Benchmark]: RCFGBuilder took 396.53 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:23,626 INFO L168 Benchmark]: BuchiAutomizer took 2647.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 855.7 MB in the end (delta: 242.9 MB). Peak memory consumption was 242.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:23,627 INFO L168 Benchmark]: Witness Printer took 4.80 ms. Allocated memory is still 1.2 GB. Free memory is still 855.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:23,631 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 600.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.48 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 396.53 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2647.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 855.7 MB in the end (delta: 242.9 MB). Peak memory consumption was 242.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.80 ms. Allocated memory is still 1.2 GB. Free memory is still 855.7 MB. 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 #memory_int * 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 unknown-#memory_int-unknown[i][i] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 5 SDtfs, 4 SDslu, 9 SDs, 0 SdLazy, 11 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax108 hnf100 lsp89 ukn57 mio100 lsp41 div100 bol100 ite100 ukn100 eq191 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 98ms VariablesStem: 2 VariablesLoop: 4 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! Received shutdown request...