./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.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 e365d1f7c546788b4f6c8f402c5031aacc4ea6e6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:11:43,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:11:43,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:11:43,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:11:43,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:11:43,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:11:43,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:11:43,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:11:43,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:11:43,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:11:43,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:11:43,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:11:43,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:11:43,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:11:43,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:11:43,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:11:43,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:11:43,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:11:43,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:11:43,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:11:43,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:11:43,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:11:43,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:11:43,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:11:43,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:11:43,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:11:43,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:11:43,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:11:43,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:11:43,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:11:43,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:11:43,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:11:43,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:11:43,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:11:43,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:11:43,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:11:43,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:11:43,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:11:43,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:11:43,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:11:43,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:11:43,791 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:11:43,834 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:11:43,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:11:43,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:11:43,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:11:43,839 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:11:43,839 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:11:43,839 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:11:43,839 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:11:43,840 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:11:43,842 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:11:43,842 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:11:43,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:11:43,842 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:11:43,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:11:43,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:11:43,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:11:43,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:11:43,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:11:43,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:11:43,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:11:43,845 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:11:43,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:11:43,846 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:11:43,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:11:43,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:11:43,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:11:43,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:11:43,847 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:11:43,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:11:43,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:11:43,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:11:43,848 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:11:43,849 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:11:43,849 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 -> e365d1f7c546788b4f6c8f402c5031aacc4ea6e6 [2020-10-19 19:11:44,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:11:44,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:11:44,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:11:44,197 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:11:44,198 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:11:44,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2020-10-19 19:11:44,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd8cf267/cfe68c734f8e4cf3b5f40a0ccafb5920/FLAGdc869253c [2020-10-19 19:11:44,746 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:11:44,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2020-10-19 19:11:44,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd8cf267/cfe68c734f8e4cf3b5f40a0ccafb5920/FLAGdc869253c [2020-10-19 19:11:45,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd8cf267/cfe68c734f8e4cf3b5f40a0ccafb5920 [2020-10-19 19:11:45,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:11:45,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:11:45,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:11:45,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:11:45,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:11:45,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:11:45" (1/1) ... [2020-10-19 19:11:45,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a984bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45, skipping insertion in model container [2020-10-19 19:11:45,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:11:45" (1/1) ... [2020-10-19 19:11:45,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:11:45,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:11:45,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:11:45,326 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:11:45,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:11:45,423 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:11:45,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45 WrapperNode [2020-10-19 19:11:45,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:11:45,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:11:45,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:11:45,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:11:45,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45" (1/1) ... [2020-10-19 19:11:45,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45" (1/1) ... [2020-10-19 19:11:45,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:11:45,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:11:45,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:11:45,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:11:45,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45" (1/1) ... [2020-10-19 19:11:45,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45" (1/1) ... [2020-10-19 19:11:45,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45" (1/1) ... [2020-10-19 19:11:45,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45" (1/1) ... [2020-10-19 19:11:45,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45" (1/1) ... [2020-10-19 19:11:45,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45" (1/1) ... [2020-10-19 19:11:45,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45" (1/1) ... [2020-10-19 19:11:45,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:11:45,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:11:45,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:11:45,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:11:45,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45" (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 [2020-10-19 19:11:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:11:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:11:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 19:11:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:11:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:11:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 19:11:45,804 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:11:45,805 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-19 19:11:45,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:11:45 BoogieIcfgContainer [2020-10-19 19:11:45,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:11:45,810 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:11:45,810 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:11:45,815 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:11:45,817 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:11:45,817 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:11:45" (1/3) ... [2020-10-19 19:11:45,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d70630d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:11:45, skipping insertion in model container [2020-10-19 19:11:45,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:11:45,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:45" (2/3) ... [2020-10-19 19:11:45,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d70630d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:11:45, skipping insertion in model container [2020-10-19 19:11:45,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:11:45,834 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:11:45" (3/3) ... [2020-10-19 19:11:45,839 INFO L373 chiAutomizerObserver]: Analyzing ICFG verisec_NetBSD-libc_loop.i [2020-10-19 19:11:45,917 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:11:45,917 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:11:45,918 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:11:45,918 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:11:45,918 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:11:45,918 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:11:45,918 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:11:45,918 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:11:45,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-10-19 19:11:45,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-10-19 19:11:45,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:45,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:45,957 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 19:11:45,957 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-19 19:11:45,957 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:11:45,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-10-19 19:11:45,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-10-19 19:11:45,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:45,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:45,960 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 19:11:45,960 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-19 19:11:45,968 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(27);~tmp~0.base, ~tmp~0.offset := 0, 0; 8#L-1true havoc main_#res;havoc main_#t~ret4, main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;call main_~#pathbuf~0.base, main_~#pathbuf~0.offset := #Ultimate.allocOnStack(8);main_~bound~0.base, main_~bound~0.offset := main_~#pathbuf~0.base, 32 + main_~#pathbuf~0.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0.base, 8 + main_~#pathbuf~0.offset - 4;glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset, glob2_#in~pathlim.base, glob2_#in~pathlim.offset := main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;havoc glob2_#res;havoc glob2_#t~post3.base, glob2_#t~post3.offset, glob2_~pathbuf.base, glob2_~pathbuf.offset, glob2_~pathlim.base, glob2_~pathlim.offset, glob2_~p~0.base, glob2_~p~0.offset;glob2_~pathbuf.base, glob2_~pathbuf.offset := glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset;glob2_~pathlim.base, glob2_~pathlim.offset := glob2_#in~pathlim.base, glob2_#in~pathlim.offset;havoc glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_~pathbuf.base, glob2_~pathbuf.offset; 17#L29-4true [2020-10-19 19:11:45,969 INFO L796 eck$LassoCheckResult]: Loop: 17#L29-4true assume glob2_~p~0.base == glob2_~pathlim.base; 7#L29-1true assume !!(glob2_~p~0.offset <= glob2_~pathlim.offset);assume glob2_~p~0.base == ~tmp~0.base;__VERIFIER_assert_#in~cond := (if glob2_~p~0.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 3#L15true assume !(0 == __VERIFIER_assert_~cond); 13#L15-2true call write~int(1, glob2_~p~0.base, glob2_~p~0.offset, 4); 4#L29-3true glob2_#t~post3.base, glob2_#t~post3.offset := glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_#t~post3.base, 4 + glob2_#t~post3.offset;havoc glob2_#t~post3.base, glob2_#t~post3.offset; 17#L29-4true [2020-10-19 19:11:45,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:45,974 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-19 19:11:45,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:45,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056319062] [2020-10-19 19:11:45,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:46,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:46,103 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:46,127 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:46,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:46,128 INFO L82 PathProgramCache]: Analyzing trace with hash 34522901, now seen corresponding path program 1 times [2020-10-19 19:11:46,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:46,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697228913] [2020-10-19 19:11:46,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:46,157 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:46,168 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:46,174 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:46,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:46,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1805962387, now seen corresponding path program 1 times [2020-10-19 19:11:46,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:46,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794125644] [2020-10-19 19:11:46,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:46,219 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:46,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:46,249 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:46,435 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-10-19 19:11:46,770 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2020-10-19 19:11:46,933 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-19 19:11:46,946 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:46,947 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:46,948 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:46,948 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:46,948 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:46,949 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:46,949 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:46,949 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:46,950 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_NetBSD-libc_loop.i_Iteration1_Lasso [2020-10-19 19:11:46,950 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:46,950 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:46,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:46,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:47,307 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-10-19 19:11:47,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:47,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:47,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:47,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:47,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:47,900 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:47,905 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,918 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 [2020-10-19 19:11:47,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:47,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:47,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:47,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:47,977 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 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:47,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:47,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:47,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:47,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:47,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:47,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:47,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:47,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-19 19:11:48,010 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 [2020-10-19 19:11:48,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:48,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:48,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,052 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 [2020-10-19 19:11:48,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:48,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:48,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:48,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,098 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 [2020-10-19 19:11:48,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:48,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:48,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:48,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,132 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 [2020-10-19 19:11:48,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:48,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:48,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:48,223 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 [2020-10-19 19:11:48,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:48,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:48,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,265 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 [2020-10-19 19:11:48,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:48,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:48,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:48,314 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 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:48,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:48,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,360 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 [2020-10-19 19:11:48,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:48,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:48,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:48,405 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 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:48,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:48,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:48,457 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 [2020-10-19 19:11:48,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:48,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:48,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 13 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:48,519 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 [2020-10-19 19:11:48,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:48,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,577 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 [2020-10-19 19:11:48,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:48,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:48,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,609 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 [2020-10-19 19:11:48,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:48,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:48,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:48,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:48,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:48,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:48,639 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:11:48,688 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-19 19:11:48,688 INFO L444 ModelExtractionUtils]: 11 out of 37 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:48,708 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:11:48,750 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 19:11:48,751 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:48,751 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~p~0.offset, ~tmp~0.offset) = -1*ULTIMATE.start_glob2_~p~0.offset + 1*~tmp~0.offset + 2 Supporting invariants [] [2020-10-19 19:11:48,847 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-10-19 19:11:48,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:48,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:11:48,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:48,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 19:11:48,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:48,960 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-10-19 19:11:48,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 19:11:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:11:48,992 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-19 19:11:48,993 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 5 states. [2020-10-19 19:11:49,085 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 5 states. Result 39 states and 47 transitions. Complement of second has 9 states. [2020-10-19 19:11:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-19 19:11:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 19:11:49,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. [2020-10-19 19:11:49,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 5 letters. [2020-10-19 19:11:49,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:49,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 7 letters. Loop has 5 letters. [2020-10-19 19:11:49,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:49,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 10 letters. [2020-10-19 19:11:49,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:49,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 47 transitions. [2020-10-19 19:11:49,098 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:11:49,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2020-10-19 19:11:49,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:11:49,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:11:49,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:11:49,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:11:49,105 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:11:49,105 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:11:49,105 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:11:49,106 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:11:49,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:11:49,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:11:49,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:11:49,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:11:49 BoogieIcfgContainer [2020-10-19 19:11:49,114 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:11:49,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:11:49,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:11:49,115 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:11:49,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:11:45" (3/4) ... [2020-10-19 19:11:49,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:11:49,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:11:49,123 INFO L168 Benchmark]: Toolchain (without parser) took 4036.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:49,123 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:11:49,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:49,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:11:49,126 INFO L168 Benchmark]: Boogie Preprocessor took 30.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:49,127 INFO L168 Benchmark]: RCFGBuilder took 311.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:49,128 INFO L168 Benchmark]: BuchiAutomizer took 3304.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 88.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:49,128 INFO L168 Benchmark]: Witness Printer took 5.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:11:49,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 311.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3304.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 88.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + tmp + 2 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 12 SDslu, 17 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax100 hnf100 lsp92 ukn80 mio100 lsp42 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...