./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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-regression/test_while_int.c_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ca9b729f2ec82a71f4bbd71180c30ba5c27c5d4 ........................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:02:41,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:02:41,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:02:41,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:02:41,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:02:41,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:02:41,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:02:41,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:02:41,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:02:41,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:02:41,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:02:41,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:02:41,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:02:41,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:02:41,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:02:41,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:02:41,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:02:41,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:02:41,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:02:41,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:02:41,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:02:41,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:02:41,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:02:41,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:02:41,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:02:41,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:02:41,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:02:41,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:02:41,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:02:41,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:02:41,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:02:41,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:02:41,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:02:41,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:02:41,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:02:41,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:02:41,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:02:41,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:02:41,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:02:41,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:02:41,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:02:41,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:02:41,718 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:02:41,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:02:41,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:02:41,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:02:41,722 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:02:41,722 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:02:41,722 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:02:41,722 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:02:41,723 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:02:41,723 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:02:41,724 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:02:41,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:02:41,725 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:02:41,725 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:02:41,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:02:41,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:02:41,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:02:41,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:02:41,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:02:41,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:02:41,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:02:41,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:02:41,727 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:02:41,728 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:02:41,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:02:41,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:02:41,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:02:41,729 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:02:41,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:02:41,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:02:41,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:02:41,730 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:02:41,732 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:02:41,732 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 -> 4ca9b729f2ec82a71f4bbd71180c30ba5c27c5d4 [2020-10-20 07:02:41,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:02:41,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:02:41,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:02:41,971 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:02:41,971 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:02:41,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2020-10-20 07:02:42,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b12eeb9/3627871825664c659d0ba1bff66b0da4/FLAG7f8f6f105 [2020-10-20 07:02:42,592 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:02:42,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2020-10-20 07:02:42,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b12eeb9/3627871825664c659d0ba1bff66b0da4/FLAG7f8f6f105 [2020-10-20 07:02:42,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b12eeb9/3627871825664c659d0ba1bff66b0da4 [2020-10-20 07:02:42,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:02:42,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:02:42,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:02:42,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:02:42,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:02:42,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:02:42" (1/1) ... [2020-10-20 07:02:42,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a711b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:42, skipping insertion in model container [2020-10-20 07:02:42,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:02:42" (1/1) ... [2020-10-20 07:02:42,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:02:42,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:02:43,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:02:43,090 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:02:43,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:02:43,126 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:02:43,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43 WrapperNode [2020-10-20 07:02:43,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:02:43,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:02:43,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:02:43,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:02:43,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43" (1/1) ... [2020-10-20 07:02:43,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43" (1/1) ... [2020-10-20 07:02:43,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:02:43,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:02:43,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:02:43,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:02:43,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43" (1/1) ... [2020-10-20 07:02:43,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43" (1/1) ... [2020-10-20 07:02:43,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43" (1/1) ... [2020-10-20 07:02:43,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43" (1/1) ... [2020-10-20 07:02:43,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43" (1/1) ... [2020-10-20 07:02:43,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43" (1/1) ... [2020-10-20 07:02:43,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43" (1/1) ... [2020-10-20 07:02:43,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:02:43,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:02:43,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:02:43,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:02:43,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43" (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 [2020-10-20 07:02:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:02:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:02:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:02:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:02:43,469 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:02:43,469 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-20 07:02:43,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:02:43 BoogieIcfgContainer [2020-10-20 07:02:43,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:02:43,472 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:02:43,472 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:02:43,476 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:02:43,477 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:02:43,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:02:42" (1/3) ... [2020-10-20 07:02:43,479 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c4e6d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:02:43, skipping insertion in model container [2020-10-20 07:02:43,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:02:43,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:02:43" (2/3) ... [2020-10-20 07:02:43,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c4e6d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:02:43, skipping insertion in model container [2020-10-20 07:02:43,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:02:43,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:02:43" (3/3) ... [2020-10-20 07:02:43,483 INFO L373 chiAutomizerObserver]: Analyzing ICFG test_while_int.c_1.i [2020-10-20 07:02:43,542 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:02:43,543 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:02:43,543 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:02:43,543 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:02:43,544 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:02:43,544 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:02:43,544 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:02:43,545 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:02:43,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-20 07:02:43,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 07:02:43,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:02:43,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:02:43,612 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:02:43,612 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:02:43,613 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:02:43,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-20 07:02:43,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 07:02:43,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:02:43,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:02:43,616 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:02:43,616 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:02:43,626 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(21);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3#L-1true havoc main_#res;havoc main_#t~post7, main_~i~0;main_~i~0 := 0; 5#L6true [2020-10-20 07:02:43,627 INFO L796 eck$LassoCheckResult]: Loop: 5#L6true assume !!(main_~i~0 < 5);main_#t~post7 := main_~i~0;main_~i~0 := 1 + main_#t~post7;havoc main_#t~post7; 8#L18true assume 3 != main_~i~0; 5#L6true [2020-10-20 07:02:43,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:02:43,634 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 07:02:43,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:02:43,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671049707] [2020-10-20 07:02:43,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:02:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:02:43,774 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:02:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:02:43,796 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:02:43,821 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:02:43,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:02:43,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2020-10-20 07:02:43,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:02:43,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86440460] [2020-10-20 07:02:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:02:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:02:43,830 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:02:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:02:43,833 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:02:43,835 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:02:43,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:02:43,837 INFO L82 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2020-10-20 07:02:43,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:02:43,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399330329] [2020-10-20 07:02:43,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:02:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:02:43,857 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:02:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:02:43,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:02:43,878 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:02:43,936 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:02:43,936 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:02:43,936 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:02:43,937 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:02:43,937 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:02:43,937 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:02:43,937 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:02:43,937 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:02:43,938 INFO L133 ssoRankerPreferences]: Filename of dumped script: test_while_int.c_1.i_Iteration1_Loop [2020-10-20 07:02:43,938 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:02:43,938 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:02:43,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:02:43,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:02:44,097 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:02:44,100 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) [2020-10-20 07:02:44,107 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:02:44,108 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:02:44,117 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:02:44,118 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7=0} Honda state: {ULTIMATE.start_main_#t~post7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2020-10-20 07:02:44,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:02:44,150 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:02:44,184 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:02:44,185 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:02:44,267 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:02:44,269 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:02:44,270 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:02:44,270 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:02:44,270 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:02:44,270 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:02:44,270 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:02:44,271 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:02:44,271 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:02:44,271 INFO L133 ssoRankerPreferences]: Filename of dumped script: test_while_int.c_1.i_Iteration1_Loop [2020-10-20 07:02:44,271 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:02:44,271 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:02:44,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:02:44,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:02:44,363 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:02:44,369 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:02:44,380 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 [2020-10-20 07:02:44,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:02:44,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:02:44,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:02:44,385 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 07:02:44,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:02:44,389 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 07:02:44,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:02:44,394 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:02:44,399 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:02:44,399 INFO L444 ModelExtractionUtils]: 0 out of 3 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:02:44,404 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:02:44,405 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:02:44,406 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:02:44,406 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 9 Supporting invariants [] Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:02:44,432 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:02:44,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:02:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:02:44,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:02:44,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:02:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:02:44,493 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:02:44,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:02:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:02:44,579 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-20 07:02:44,581 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2020-10-20 07:02:44,632 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 25 states and 32 transitions. Complement of second has 5 states. [2020-10-20 07:02:44,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 07:02:44,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 07:02:44,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2020-10-20 07:02:44,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-20 07:02:44,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:02:44,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 07:02:44,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:02:44,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 07:02:44,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:02:44,642 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2020-10-20 07:02:44,646 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:02:44,649 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2020-10-20 07:02:44,650 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:02:44,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:02:44,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:02:44,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:02:44,652 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:02:44,652 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:02:44,652 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:02:44,653 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:02:44,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:02:44,653 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:02:44,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:02:44,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:02:44 BoogieIcfgContainer [2020-10-20 07:02:44,660 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:02:44,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:02:44,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:02:44,684 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:02:44,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:02:43" (3/4) ... [2020-10-20 07:02:44,689 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:02:44,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:02:44,693 INFO L168 Benchmark]: Toolchain (without parser) took 1840.52 ms. Allocated memory was 43.0 MB in the beginning and 49.3 MB in the end (delta: 6.3 MB). Free memory was 24.9 MB in the beginning and 31.2 MB in the end (delta: -6.3 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:02:44,696 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 33.0 MB. Free memory was 11.4 MB in the beginning and 11.4 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 07:02:44,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.27 ms. Allocated memory is still 43.0 MB. Free memory was 24.0 MB in the beginning and 13.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:02:44,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.01 ms. Allocated memory was 43.0 MB in the beginning and 43.5 MB in the end (delta: 524.3 kB). Free memory was 13.8 MB in the beginning and 25.9 MB in the end (delta: -12.1 MB). Peak memory consumption was 4.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:02:44,707 INFO L168 Benchmark]: Boogie Preprocessor took 24.35 ms. Allocated memory is still 43.5 MB. Free memory was 25.9 MB in the beginning and 24.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:02:44,710 INFO L168 Benchmark]: RCFGBuilder took 268.64 ms. Allocated memory is still 43.5 MB. Free memory was 24.8 MB in the beginning and 13.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:02:44,713 INFO L168 Benchmark]: BuchiAutomizer took 1195.73 ms. Allocated memory was 43.5 MB in the beginning and 49.3 MB in the end (delta: 5.8 MB). Free memory was 13.7 MB in the beginning and 31.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:02:44,721 INFO L168 Benchmark]: Witness Printer took 6.09 ms. Allocated memory is still 49.3 MB. Free memory was 31.6 MB in the beginning and 31.2 MB in the end (delta: 389.5 kB). Peak memory consumption was 389.5 kB. Max. memory is 14.3 GB. [2020-10-20 07:02:44,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 33.0 MB. Free memory was 11.4 MB in the beginning and 11.4 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 270.27 ms. Allocated memory is still 43.0 MB. Free memory was 24.0 MB in the beginning and 13.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 50.01 ms. Allocated memory was 43.0 MB in the beginning and 43.5 MB in the end (delta: 524.3 kB). Free memory was 13.8 MB in the beginning and 25.9 MB in the end (delta: -12.1 MB). Peak memory consumption was 4.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 24.35 ms. Allocated memory is still 43.5 MB. Free memory was 25.9 MB in the beginning and 24.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 268.64 ms. Allocated memory is still 43.5 MB. Free memory was 24.8 MB in the beginning and 13.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1195.73 ms. Allocated memory was 43.5 MB in the beginning and 49.3 MB in the end (delta: 5.8 MB). Free memory was 13.7 MB in the beginning and 31.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. * Witness Printer took 6.09 ms. Allocated memory is still 49.3 MB. Free memory was 31.6 MB in the beginning and 31.2 MB in the end (delta: 389.5 kB). Peak memory consumption was 389.5 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 9 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 7 SDslu, 3 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf165 smp92 tf105 neg94 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...