./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-new/count_by_nondet.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-new/count_by_nondet.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 e7401142dde22248f078fa0bb75fb54c80144fd4 ........................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:50:19,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:50:19,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:50:19,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:50:19,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:50:19,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:50:19,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:50:19,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:50:19,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:50:19,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:50:19,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:50:19,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:50:19,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:50:19,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:50:19,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:50:19,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:50:19,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:50:19,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:50:19,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:50:19,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:50:19,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:50:19,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:50:19,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:50:19,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:50:19,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:50:19,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:50:19,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:50:19,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:50:19,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:50:19,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:50:19,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:50:19,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:50:19,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:50:19,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:50:19,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:50:19,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:50:19,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:50:19,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:50:19,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:50:19,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:50:19,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:50:19,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:50:19,562 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:50:19,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:50:19,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:50:19,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:50:19,566 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:50:19,566 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:50:19,566 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:50:19,566 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:50:19,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:50:19,567 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:50:19,568 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:50:19,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:50:19,569 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:50:19,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:50:19,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:50:19,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:50:19,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:50:19,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:50:19,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:50:19,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:50:19,571 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:50:19,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:50:19,571 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:50:19,571 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:50:19,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:50:19,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:50:19,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:50:19,572 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:50:19,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:50:19,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:50:19,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:50:19,574 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:50:19,575 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:50:19,576 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7401142dde22248f078fa0bb75fb54c80144fd4 [2020-10-26 04:50:20,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:50:20,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:50:20,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:50:20,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:50:20,080 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:50:20,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-new/count_by_nondet.i [2020-10-26 04:50:20,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d732fca6/2ce35548711849f78f11db8f1342d0a9/FLAG660b79dc7 [2020-10-26 04:50:20,882 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:50:20,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-new/count_by_nondet.i [2020-10-26 04:50:20,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d732fca6/2ce35548711849f78f11db8f1342d0a9/FLAG660b79dc7 [2020-10-26 04:50:21,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d732fca6/2ce35548711849f78f11db8f1342d0a9 [2020-10-26 04:50:21,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:50:21,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:50:21,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:50:21,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:50:21,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:50:21,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:50:21" (1/1) ... [2020-10-26 04:50:21,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f38163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21, skipping insertion in model container [2020-10-26 04:50:21,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:50:21" (1/1) ... [2020-10-26 04:50:21,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:50:21,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:50:21,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:50:21,545 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:50:21,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:50:21,582 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:50:21,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21 WrapperNode [2020-10-26 04:50:21,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:50:21,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:50:21,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:50:21,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:50:21,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21" (1/1) ... [2020-10-26 04:50:21,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21" (1/1) ... [2020-10-26 04:50:21,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:50:21,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:50:21,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:50:21,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:50:21,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21" (1/1) ... [2020-10-26 04:50:21,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21" (1/1) ... [2020-10-26 04:50:21,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21" (1/1) ... [2020-10-26 04:50:21,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21" (1/1) ... [2020-10-26 04:50:21,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21" (1/1) ... [2020-10-26 04:50:21,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21" (1/1) ... [2020-10-26 04:50:21,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21" (1/1) ... [2020-10-26 04:50:21,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:50:21,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:50:21,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:50:21,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:50:21,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21" (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 [2020-10-26 04:50:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:50:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:50:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:50:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:50:21,981 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:50:21,981 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-26 04:50:21,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:50:21 BoogieIcfgContainer [2020-10-26 04:50:21,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:50:21,985 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:50:21,986 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:50:21,990 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:50:21,992 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:50:21,992 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:50:21" (1/3) ... [2020-10-26 04:50:21,993 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@337a51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:50:21, skipping insertion in model container [2020-10-26 04:50:21,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:50:21,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:50:21" (2/3) ... [2020-10-26 04:50:21,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@337a51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:50:21, skipping insertion in model container [2020-10-26 04:50:21,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:50:21,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:50:21" (3/3) ... [2020-10-26 04:50:21,997 INFO L373 chiAutomizerObserver]: Analyzing ICFG count_by_nondet.i [2020-10-26 04:50:22,124 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:50:22,127 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:50:22,129 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:50:22,129 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:50:22,129 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:50:22,129 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:50:22,130 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:50:22,130 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:50:22,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-26 04:50:22,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:50:22,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:50:22,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:50:22,230 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:50:22,230 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:50:22,230 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:50:22,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-26 04:50:22,234 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:50:22,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:50:22,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:50:22,236 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:50:22,236 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:50:22,245 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 7#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~post4, main_~j~0, main_~i~0, main_~k~0;main_~i~0 := 0;main_~k~0 := 0; 15#L27-2true [2020-10-26 04:50:22,247 INFO L796 eck$LassoCheckResult]: Loop: 15#L27-2true assume !!(main_~i~0 < 1000000);main_~j~0 := main_#t~nondet3;havoc main_#t~nondet3; 5#L29true assume !!(1 <= main_~j~0 && main_~j~0 < 1000000);main_~i~0 := main_~i~0 + main_~j~0;main_#t~post4 := main_~k~0;main_~k~0 := 1 + main_#t~post4;havoc main_#t~post4; 15#L27-2true [2020-10-26 04:50:22,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:50:22,262 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-26 04:50:22,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:50:22,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622415020] [2020-10-26 04:50:22,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:50:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:22,434 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:22,480 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:22,517 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:50:22,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:50:22,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2020-10-26 04:50:22,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:50:22,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559883624] [2020-10-26 04:50:22,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:50:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:22,550 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:22,566 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:22,573 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:50:22,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:50:22,585 INFO L82 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2020-10-26 04:50:22,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:50:22,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365215871] [2020-10-26 04:50:22,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:50:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:22,618 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:50:22,632 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:50:22,636 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:50:22,734 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:50:22,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:50:22,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:50:22,742 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:50:22,743 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:50:22,743 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:50:22,743 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:50:22,743 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:50:22,744 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_nondet.i_Iteration1_Loop [2020-10-26 04:50:22,744 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:50:22,744 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:50:22,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:50:22,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:50:22,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:50:22,925 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:50:22,926 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) [2020-10-26 04:50:22,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:50:22,938 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 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 [2020-10-26 04:50:22,990 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:50:22,991 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:50:23,039 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:50:23,042 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:50:23,042 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:50:23,042 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:50:23,042 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:50:23,042 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:50:23,043 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:50:23,043 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:50:23,043 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:50:23,043 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_nondet.i_Iteration1_Loop [2020-10-26 04:50:23,043 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:50:23,043 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:50:23,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:50:23,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:50:23,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:50:23,132 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:50:23,138 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:50:23,155 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 [2020-10-26 04:50:23,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:50:23,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:50:23,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:50:23,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:50:23,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:50:23,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:50:23,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:50:23,170 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:50:23,180 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:50:23,180 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:50:23,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:50:23,189 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:50:23,190 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:50:23,191 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1999999 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:50:23,227 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:50:23,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:50:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:50:23,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:50:23,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:50:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:50:23,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:50:23,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:50:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:50:23,363 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 [2020-10-26 04:50:23,365 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2020-10-26 04:50:23,459 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 37 states and 45 transitions. Complement of second has 7 states. [2020-10-26 04:50:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:50:23,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:50:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2020-10-26 04:50:23,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-26 04:50:23,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:50:23,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-26 04:50:23,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:50:23,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-26 04:50:23,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:50:23,469 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 45 transitions. [2020-10-26 04:50:23,474 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:50:23,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2020-10-26 04:50:23,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:50:23,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:50:23,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:50:23,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:50:23,481 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:50:23,481 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:50:23,481 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:50:23,482 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:50:23,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:50:23,482 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:50:23,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:50:23,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:50:23 BoogieIcfgContainer [2020-10-26 04:50:23,489 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:50:23,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:50:23,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:50:23,491 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:50:23,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:50:21" (3/4) ... [2020-10-26 04:50:23,495 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:50:23,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:50:23,499 INFO L168 Benchmark]: Toolchain (without parser) took 2232.64 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 37.2 MB in the end (delta: -13.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:50:23,500 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 37.7 MB. Free memory was 20.3 MB in the beginning and 20.3 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:50:23,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.50 ms. Allocated memory is still 46.1 MB. Free memory was 23.4 MB in the beginning and 25.3 MB in the end (delta: -1.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:50:23,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.06 ms. Allocated memory is still 46.1 MB. Free memory was 25.3 MB in the beginning and 23.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:50:23,503 INFO L168 Benchmark]: Boogie Preprocessor took 25.27 ms. Allocated memory is still 46.1 MB. Free memory was 23.9 MB in the beginning and 22.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:50:23,504 INFO L168 Benchmark]: RCFGBuilder took 333.35 ms. Allocated memory is still 46.1 MB. Free memory was 22.8 MB in the beginning and 23.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:50:23,505 INFO L168 Benchmark]: BuchiAutomizer took 1504.18 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.8 MB in the beginning and 37.5 MB in the end (delta: -13.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:50:23,506 INFO L168 Benchmark]: Witness Printer took 5.61 ms. Allocated memory is still 56.6 MB. Free memory was 37.5 MB in the beginning and 37.2 MB in the end (delta: 341.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:50:23,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 37.7 MB. Free memory was 20.3 MB in the beginning and 20.3 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 311.50 ms. Allocated memory is still 46.1 MB. Free memory was 23.4 MB in the beginning and 25.3 MB in the end (delta: -1.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.06 ms. Allocated memory is still 46.1 MB. Free memory was 25.3 MB in the beginning and 23.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.27 ms. Allocated memory is still 46.1 MB. Free memory was 23.9 MB in the beginning and 22.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 333.35 ms. Allocated memory is still 46.1 MB. Free memory was 22.8 MB in the beginning and 23.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1504.18 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.8 MB in the beginning and 37.5 MB in the end (delta: -13.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.61 ms. Allocated memory is still 56.6 MB. Free memory was 37.5 MB in the beginning and 37.2 MB in the end (delta: 341.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1999999 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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: 10 SDtfs, 12 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 50ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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...