./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted/SyntaxSupportPointer01-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f2a8d3919c0496882213752e07135061fdbafdf6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 06:33:32,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:33:32,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:33:32,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:33:32,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:33:32,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:33:32,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:33:32,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:33:32,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:33:32,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:33:32,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:33:32,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:33:32,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:33:32,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:33:32,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:33:32,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:33:32,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:33:32,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:33:32,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:33:32,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:33:32,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:33:32,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:33:32,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:33:32,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:33:32,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:33:32,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:33:32,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:33:32,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:33:32,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:33:32,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:33:32,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:33:32,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:33:32,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:33:32,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:33:32,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:33:32,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:33:32,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:33:32,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:33:32,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:33:32,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:33:32,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:33:32,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:33:32,977 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:33:32,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:33:32,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:33:32,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:33:32,980 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:33:32,981 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:33:32,981 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:33:32,981 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:33:32,982 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:33:32,982 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:33:32,983 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:33:32,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:33:32,983 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:33:32,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:33:32,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:33:32,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:33:32,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:33:32,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:33:32,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:33:32,985 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:33:32,986 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:33:32,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:33:32,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:33:32,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:33:32,987 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:33:32,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:33:32,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:33:32,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:33:32,988 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:33:32,989 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:33:32,989 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2a8d3919c0496882213752e07135061fdbafdf6 [2020-10-20 06:33:33,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:33:33,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:33:33,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:33:33,277 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:33:33,278 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:33:33,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2020-10-20 06:33:33,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b5a1f31/df99b6d6ef684df885bb43e7151fd1b8/FLAG215afd5ad [2020-10-20 06:33:33,840 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:33:33,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2020-10-20 06:33:33,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b5a1f31/df99b6d6ef684df885bb43e7151fd1b8/FLAG215afd5ad [2020-10-20 06:33:34,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b5a1f31/df99b6d6ef684df885bb43e7151fd1b8 [2020-10-20 06:33:34,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:33:34,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:33:34,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:33:34,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:33:34,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:33:34,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:33:34" (1/1) ... [2020-10-20 06:33:34,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604688da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34, skipping insertion in model container [2020-10-20 06:33:34,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:33:34" (1/1) ... [2020-10-20 06:33:34,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:33:34,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:33:34,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:33:34,520 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:33:34,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:33:34,556 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:33:34,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34 WrapperNode [2020-10-20 06:33:34,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:33:34,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:33:34,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:33:34,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:33:34,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34" (1/1) ... [2020-10-20 06:33:34,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34" (1/1) ... [2020-10-20 06:33:34,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:33:34,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:33:34,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:33:34,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:33:34,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34" (1/1) ... [2020-10-20 06:33:34,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34" (1/1) ... [2020-10-20 06:33:34,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34" (1/1) ... [2020-10-20 06:33:34,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34" (1/1) ... [2020-10-20 06:33:34,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34" (1/1) ... [2020-10-20 06:33:34,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34" (1/1) ... [2020-10-20 06:33:34,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34" (1/1) ... [2020-10-20 06:33:34,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:33:34,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:33:34,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:33:34,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:33:34,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34" (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 06:33:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:33:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:33:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:33:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:33:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:33:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:33:34,888 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:33:34,889 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:33:34,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:33:34 BoogieIcfgContainer [2020-10-20 06:33:34,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:33:34,892 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:33:34,892 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:33:34,895 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:33:34,896 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:33:34,897 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:33:34" (1/3) ... [2020-10-20 06:33:34,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bd71d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:33:34, skipping insertion in model container [2020-10-20 06:33:34,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:33:34,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:34" (2/3) ... [2020-10-20 06:33:34,899 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bd71d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:33:34, skipping insertion in model container [2020-10-20 06:33:34,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:33:34,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:33:34" (3/3) ... [2020-10-20 06:33:34,901 INFO L373 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-1.c [2020-10-20 06:33:34,953 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:33:34,953 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:33:34,953 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:33:34,954 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:33:34,954 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:33:34,954 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:33:34,955 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:33:34,955 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:33:34,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-10-20 06:33:35,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:33:35,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:33:35,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:33:35,011 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:33:35,011 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:33:35,012 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:33:35,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-10-20 06:33:35,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:33:35,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:33:35,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:33:35,014 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:33:35,015 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:33:35,024 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~nondet2, main_#t~mem4, main_#t~post5, main_#t~mem3, main_~p~0.base, main_~p~0.offset;call main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc1.base, main_#t~malloc1.offset;call write~int(main_#t~nondet2, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~nondet2; 8#L16-3true [2020-10-20 06:33:35,025 INFO L796 eck$LassoCheckResult]: Loop: 8#L16-3true call main_#t~mem3 := read~int(main_~p~0.base, main_~p~0.offset, 4); 4#L16-1true assume !!(main_#t~mem3 >= 0);havoc main_#t~mem3;call main_#t~mem4 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post5 := main_#t~mem4;call write~int(main_#t~post5 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem4;havoc main_#t~post5; 8#L16-3true [2020-10-20 06:33:35,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:35,031 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:33:35,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:35,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777632935] [2020-10-20 06:33:35,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:35,159 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:35,186 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:35,205 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:35,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:35,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2020-10-20 06:33:35,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:35,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343984545] [2020-10-20 06:33:35,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:35,218 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:35,225 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:35,228 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:35,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:35,230 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-10-20 06:33:35,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:35,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338609353] [2020-10-20 06:33:35,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:35,245 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:35,259 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:35,263 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:35,486 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-10-20 06:33:35,568 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:33:35,569 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:33:35,569 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:33:35,569 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:33:35,569 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:33:35,570 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:35,570 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:33:35,570 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:33:35,570 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-1.c_Iteration1_Lasso [2020-10-20 06:33:35,571 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:33:35,571 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:33:35,595 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 06:33:35,609 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 06:33:35,613 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 06:33:35,617 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 06:33:35,767 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 06:33:35,773 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 06:33:35,777 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 06:33:35,781 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 06:33:36,094 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:33:36,100 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) [2020-10-20 06:33:36,109 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 06:33:36,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:36,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:36,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:36,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:36,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:36,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:36,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:36,121 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) [2020-10-20 06:33:36,164 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 06:33:36,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:36,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:36,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:36,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:36,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:36,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:36,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:36,171 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:33:36,212 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 06:33:36,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:36,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:36,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:36,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:36,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:36,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:36,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:36,220 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) [2020-10-20 06:33:36,268 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 06:33:36,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:36,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:36,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:36,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:36,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:33:36,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:36,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 5 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 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 [2020-10-20 06:33:36,318 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 06:33:36,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:36,321 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-10-20 06:33:36,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:36,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:36,328 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-20 06:33:36,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:36,337 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) [2020-10-20 06:33:36,384 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:36,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:36,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:36,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:36,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:36,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:33:36,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:36,405 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:33:36,422 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-20 06:33:36,422 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:36,435 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:33:36,438 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:33:36,439 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:33:36,439 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1 + 1 Supporting invariants [] [2020-10-20 06:33:36,478 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-10-20 06:33:36,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:33:36,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:33:36,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:33:36,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:33:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:33:36,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:33:36,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:33:36,566 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 06:33:36,590 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 06:33:36,592 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2020-10-20 06:33:36,652 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 18 states and 20 transitions. Complement of second has 7 states. [2020-10-20 06:33:36,653 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 06:33:36,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 06:33:36,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-10-20 06:33:36,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-20 06:33:36,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:36,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 06:33:36,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:36,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 06:33:36,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:36,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2020-10-20 06:33:36,665 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:33:36,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2020-10-20 06:33:36,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:33:36,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:33:36,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:33:36,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:33:36,671 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:33:36,671 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:33:36,671 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:33:36,671 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:33:36,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:33:36,672 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:33:36,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:33:36,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:33:36 BoogieIcfgContainer [2020-10-20 06:33:36,681 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:33:36,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:33:36,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:33:36,682 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:33:36,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:33:34" (3/4) ... [2020-10-20 06:33:36,688 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:33:36,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:33:36,690 INFO L168 Benchmark]: Toolchain (without parser) took 2448.12 ms. Allocated memory was 41.9 MB in the beginning and 48.8 MB in the end (delta: 6.8 MB). Free memory was 20.1 MB in the beginning and 12.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:36,691 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 32.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:33:36,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.72 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 19.2 MB in the beginning and 20.0 MB in the end (delta: -783.7 kB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:36,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.16 ms. Allocated memory is still 42.5 MB. Free memory was 20.0 MB in the beginning and 18.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:36,694 INFO L168 Benchmark]: Boogie Preprocessor took 32.83 ms. Allocated memory is still 42.5 MB. Free memory was 18.4 MB in the beginning and 17.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:36,695 INFO L168 Benchmark]: RCFGBuilder took 255.04 ms. Allocated memory was 42.5 MB in the beginning and 43.5 MB in the end (delta: 1.0 MB). Free memory was 17.2 MB in the beginning and 21.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:36,696 INFO L168 Benchmark]: BuchiAutomizer took 1789.20 ms. Allocated memory was 43.5 MB in the beginning and 48.8 MB in the end (delta: 5.2 MB). Free memory was 21.7 MB in the beginning and 13.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:36,697 INFO L168 Benchmark]: Witness Printer took 6.58 ms. Allocated memory is still 48.8 MB. Free memory was 13.2 MB in the beginning and 12.8 MB in the end (delta: 404.9 kB). Peak memory consumption was 404.9 kB. Max. memory is 14.3 GB. [2020-10-20 06:33:36,703 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 32.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 308.72 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 19.2 MB in the beginning and 20.0 MB in the end (delta: -783.7 kB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 44.16 ms. Allocated memory is still 42.5 MB. Free memory was 20.0 MB in the beginning and 18.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 32.83 ms. Allocated memory is still 42.5 MB. Free memory was 18.4 MB in the beginning and 17.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 255.04 ms. Allocated memory was 42.5 MB in the beginning and 43.5 MB in the end (delta: 1.0 MB). Free memory was 17.2 MB in the beginning and 21.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1789.20 ms. Allocated memory was 43.5 MB in the beginning and 48.8 MB in the end (delta: 5.2 MB). Free memory was 21.7 MB in the beginning and 13.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. * Witness Printer took 6.58 ms. Allocated memory is still 48.8 MB. Free memory was 13.2 MB in the beginning and 12.8 MB in the end (delta: 404.9 kB). Peak memory consumption was 404.9 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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: 4 SDtfs, 5 SDslu, 4 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital100 mio100 ax100 hnf100 lsp93 ukn71 mio100 lsp37 div100 bol100 ite100 ukn100 eq179 hnf88 smp100 dnf104 smp95 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...