./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 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/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 0.1.25-9a8b2e8 [2020-10-20 07:06:46,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:06:46,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:06:46,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:06:46,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:06:46,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:06:46,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:06:46,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:06:46,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:06:46,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:06:46,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:06:46,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:06:46,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:06:46,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:06:46,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:06:46,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:06:46,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:06:46,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:06:46,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:06:46,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:06:46,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:06:46,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:06:46,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:06:46,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:06:46,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:06:46,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:06:46,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:06:46,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:06:46,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:06:46,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:06:46,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:06:46,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:06:46,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:06:46,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:06:46,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:06:46,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:06:46,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:06:46,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:06:46,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:06:46,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:06:46,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:06:46,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:06:46,739 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:06:46,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:06:46,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:06:46,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:06:46,742 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:06:46,742 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:06:46,742 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:06:46,743 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:06:46,743 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:06:46,743 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:06:46,744 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:06:46,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:06:46,745 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:06:46,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:06:46,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:06:46,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:06:46,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:06:46,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:06:46,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:06:46,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:06:46,748 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:06:46,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:06:46,749 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:06:46,749 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:06:46,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:06:46,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:06:46,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:06:46,750 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:06:46,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:06:46,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:06:46,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:06:46,751 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:06:46,753 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:06:46,753 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 -> e7401142dde22248f078fa0bb75fb54c80144fd4 [2020-10-20 07:06:46,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:06:46,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:06:46,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:06:46,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:06:46,978 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:06:46,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-new/count_by_nondet.i [2020-10-20 07:06:47,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/376ffb854/9ed4d701d90d46dc9c06cedcb1a6ce9b/FLAG22ea3d7d6 [2020-10-20 07:06:47,495 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:06:47,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-new/count_by_nondet.i [2020-10-20 07:06:47,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/376ffb854/9ed4d701d90d46dc9c06cedcb1a6ce9b/FLAG22ea3d7d6 [2020-10-20 07:06:47,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/376ffb854/9ed4d701d90d46dc9c06cedcb1a6ce9b [2020-10-20 07:06:47,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:06:47,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:06:47,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:06:47,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:06:47,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:06:47,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:06:47" (1/1) ... [2020-10-20 07:06:47,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6532d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:47, skipping insertion in model container [2020-10-20 07:06:47,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:06:47" (1/1) ... [2020-10-20 07:06:47,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:06:47,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:06:48,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:06:48,163 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:06:48,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:06:48,194 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:06:48,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48 WrapperNode [2020-10-20 07:06:48,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:06:48,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:06:48,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:06:48,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:06:48,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48" (1/1) ... [2020-10-20 07:06:48,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48" (1/1) ... [2020-10-20 07:06:48,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:06:48,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:06:48,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:06:48,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:06:48,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48" (1/1) ... [2020-10-20 07:06:48,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48" (1/1) ... [2020-10-20 07:06:48,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48" (1/1) ... [2020-10-20 07:06:48,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48" (1/1) ... [2020-10-20 07:06:48,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48" (1/1) ... [2020-10-20 07:06:48,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48" (1/1) ... [2020-10-20 07:06:48,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48" (1/1) ... [2020-10-20 07:06:48,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:06:48,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:06:48,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:06:48,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:06:48,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48" (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 07:06:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:06:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:06:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:06:48,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:06:48,576 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:06:48,577 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-20 07:06:48,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:06:48 BoogieIcfgContainer [2020-10-20 07:06:48,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:06:48,581 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:06:48,582 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:06:48,599 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:06:48,600 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:06:48,601 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:06:47" (1/3) ... [2020-10-20 07:06:48,602 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f1af761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:06:48, skipping insertion in model container [2020-10-20 07:06:48,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:06:48,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:48" (2/3) ... [2020-10-20 07:06:48,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f1af761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:06:48, skipping insertion in model container [2020-10-20 07:06:48,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:06:48,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:06:48" (3/3) ... [2020-10-20 07:06:48,606 INFO L373 chiAutomizerObserver]: Analyzing ICFG count_by_nondet.i [2020-10-20 07:06:48,660 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:06:48,661 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:06:48,661 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:06:48,661 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:06:48,661 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:06:48,662 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:06:48,662 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:06:48,662 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:06:48,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-20 07:06:48,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 07:06:48,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:06:48,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:06:48,706 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:06:48,706 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:06:48,706 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:06:48,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-20 07:06:48,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 07:06:48,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:06:48,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:06:48,708 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:06:48,708 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:06:48,716 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 7#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~post4, main_~j~0, main_~i~0, main_~k~0;main_~i~0 := 0;main_~k~0 := 0; 15#L27-2true [2020-10-20 07:06:48,716 INFO L796 eck$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 [2020-10-20 07:06:48,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:48,722 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 07:06:48,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:06:48,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566403350] [2020-10-20 07:06:48,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:06:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:48,823 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:48,837 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:48,856 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:06:48,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:48,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2020-10-20 07:06:48,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:06:48,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681332951] [2020-10-20 07:06:48,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:06:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:48,874 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:48,879 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:48,882 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:06:48,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:48,884 INFO L82 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2020-10-20 07:06:48,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:06:48,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835684897] [2020-10-20 07:06:48,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:06:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:48,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:48,942 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:48,949 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:06:49,023 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:06:49,024 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:06:49,024 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:06:49,024 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:06:49,025 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:06:49,025 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:49,025 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:06:49,025 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:06:49,026 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_nondet.i_Iteration1_Loop [2020-10-20 07:06:49,026 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:06:49,027 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:06:49,049 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 07:06:49,080 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 07:06:49,086 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 07:06:49,161 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:06:49,162 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:49,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:06:49,168 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:49,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:06:49,236 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:49,292 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2020-10-20 07:06:49,295 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:06:49,295 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:06:49,295 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:06:49,295 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:06:49,296 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:06:49,296 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:49,296 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:06:49,296 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:06:49,296 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_nondet.i_Iteration1_Loop [2020-10-20 07:06:49,296 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:06:49,296 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:06:49,299 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 07:06:49,320 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 07:06:49,324 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 07:06:49,382 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:06:49,387 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:49,394 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 07:06:49,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:49,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:06:49,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:49,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:49,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:49,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:06:49,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:06:49,407 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:06:49,416 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:06:49,416 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) [2020-10-20 07:06:49,430 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:06:49,430 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:49,432 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:06:49,433 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1999999 Supporting invariants [] [2020-10-20 07:06:49,466 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:06:49,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:06:49,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:06:49,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:06:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:06:49,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:06:49,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:06:49,587 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 07:06:49,605 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 07:06:49,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2020-10-20 07:06:49,657 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. [2020-10-20 07:06:49,658 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 [2020-10-20 07:06:49,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 07:06:49,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2020-10-20 07:06:49,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-20 07:06:49,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:06:49,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 07:06:49,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:06:49,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 07:06:49,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:06:49,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 45 transitions. [2020-10-20 07:06:49,669 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:06:49,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2020-10-20 07:06:49,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:06:49,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:06:49,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:06:49,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:06:49,674 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:06:49,674 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:06:49,674 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:06:49,674 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:06:49,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:06:49,675 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:06:49,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:06:49,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:06:49 BoogieIcfgContainer [2020-10-20 07:06:49,681 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:06:49,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:06:49,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:06:49,682 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:06:49,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:06:48" (3/4) ... [2020-10-20 07:06:49,686 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:06:49,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:06:49,689 INFO L168 Benchmark]: Toolchain (without parser) took 1811.89 ms. Allocated memory was 35.7 MB in the beginning and 49.8 MB in the end (delta: 14.2 MB). Free memory was 9.7 MB in the beginning and 24.6 MB in the end (delta: -15.0 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:06:49,690 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 35.7 MB. Free memory was 14.5 MB in the beginning and 14.5 MB in the end (delta: 49.2 kB). Peak memory consumption was 49.2 kB. Max. memory is 14.3 GB. [2020-10-20 07:06:49,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.39 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 8.8 MB in the beginning and 27.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:49,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.80 ms. Allocated memory is still 44.6 MB. Free memory was 27.3 MB in the beginning and 25.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:49,693 INFO L168 Benchmark]: Boogie Preprocessor took 22.07 ms. Allocated memory is still 44.6 MB. Free memory was 25.7 MB in the beginning and 24.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:49,694 INFO L168 Benchmark]: RCFGBuilder took 323.98 ms. Allocated memory was 44.6 MB in the beginning and 46.1 MB in the end (delta: 1.6 MB). Free memory was 24.4 MB in the beginning and 26.1 MB in the end (delta: -1.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:49,695 INFO L168 Benchmark]: BuchiAutomizer took 1100.32 ms. Allocated memory was 46.1 MB in the beginning and 49.8 MB in the end (delta: 3.7 MB). Free memory was 25.9 MB in the beginning and 25.0 MB in the end (delta: 861.6 kB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:49,696 INFO L168 Benchmark]: Witness Printer took 4.76 ms. Allocated memory is still 49.8 MB. Free memory was 25.0 MB in the beginning and 24.6 MB in the end (delta: 382.7 kB). Peak memory consumption was 382.7 kB. Max. memory is 14.3 GB. [2020-10-20 07:06:49,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 35.7 MB. Free memory was 14.5 MB in the beginning and 14.5 MB in the end (delta: 49.2 kB). Peak memory consumption was 49.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 312.39 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 8.8 MB in the beginning and 27.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 37.80 ms. Allocated memory is still 44.6 MB. Free memory was 27.3 MB in the beginning and 25.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 22.07 ms. Allocated memory is still 44.6 MB. Free memory was 25.7 MB in the beginning and 24.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 323.98 ms. Allocated memory was 44.6 MB in the beginning and 46.1 MB in the end (delta: 1.6 MB). Free memory was 24.4 MB in the beginning and 26.1 MB in the end (delta: -1.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1100.32 ms. Allocated memory was 46.1 MB in the beginning and 49.8 MB in the end (delta: 3.7 MB). Free memory was 25.9 MB in the beginning and 25.0 MB in the end (delta: 861.6 kB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. * Witness Printer took 4.76 ms. Allocated memory is still 49.8 MB. Free memory was 25.0 MB in the beginning and 24.6 MB in the end (delta: 382.7 kB). Peak memory consumption was 382.7 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 + 1999999 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: 42ms 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...