./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.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/SyntaxSupportPointer01-3.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 3f34751565a9d43a481fab038d13037e70cdccbf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:33:33,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:33:33,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:33:33,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:33:33,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:33:33,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:33:33,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:33:33,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:33:33,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:33:33,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:33:33,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:33:33,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:33:33,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:33:33,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:33:33,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:33:33,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:33:33,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:33:33,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:33:33,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:33:33,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:33:33,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:33:33,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:33:33,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:33:33,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:33:33,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:33:33,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:33:33,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:33:33,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:33:33,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:33:33,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:33:33,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:33:33,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:33:33,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:33:33,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:33:33,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:33:33,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:33:33,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:33:33,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:33:33,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:33:33,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:33:33,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:33:33,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:33:33,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:33:33,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:33:33,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:33:33,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:33:33,938 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:33:33,939 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:33:33,939 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:33:33,939 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:33:33,939 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:33:33,939 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:33:33,939 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:33:33,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:33:33,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:33:33,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:33:33,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:33:33,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:33:33,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:33:33,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:33:33,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:33:33,941 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:33:33,941 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:33:33,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:33:33,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:33:33,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:33:33,942 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:33:33,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:33:33,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:33:33,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:33:33,943 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:33:33,944 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:33:33,944 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 -> 3f34751565a9d43a481fab038d13037e70cdccbf [2020-10-20 06:33:34,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:33:34,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:33:34,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:33:34,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:33:34,159 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:33:34,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2020-10-20 06:33:34,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10deb3f1/87b22b661f614defb183a88f55b38e3d/FLAG9e126a16d [2020-10-20 06:33:34,778 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:33:34,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2020-10-20 06:33:34,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10deb3f1/87b22b661f614defb183a88f55b38e3d/FLAG9e126a16d [2020-10-20 06:33:35,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10deb3f1/87b22b661f614defb183a88f55b38e3d [2020-10-20 06:33:35,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:33:35,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:33:35,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:33:35,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:33:35,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:33:35,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:33:35" (1/1) ... [2020-10-20 06:33:35,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440cf56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35, skipping insertion in model container [2020-10-20 06:33:35,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:33:35" (1/1) ... [2020-10-20 06:33:35,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:33:35,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:33:35,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:33:35,403 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:33:35,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:33:35,430 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:33:35,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35 WrapperNode [2020-10-20 06:33:35,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:33:35,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:33:35,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:33:35,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:33:35,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35" (1/1) ... [2020-10-20 06:33:35,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35" (1/1) ... [2020-10-20 06:33:35,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:33:35,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:33:35,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:33:35,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:33:35,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35" (1/1) ... [2020-10-20 06:33:35,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35" (1/1) ... [2020-10-20 06:33:35,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35" (1/1) ... [2020-10-20 06:33:35,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35" (1/1) ... [2020-10-20 06:33:35,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35" (1/1) ... [2020-10-20 06:33:35,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35" (1/1) ... [2020-10-20 06:33:35,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35" (1/1) ... [2020-10-20 06:33:35,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:33:35,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:33:35,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:33:35,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:33:35,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35" (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 06:33:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:33:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:33:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:33:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:33:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:33:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:33:35,769 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:33:35,769 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:33:35,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:33:35 BoogieIcfgContainer [2020-10-20 06:33:35,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:33:35,773 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:33:35,773 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:33:35,777 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:33:35,778 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:33:35,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:33:35" (1/3) ... [2020-10-20 06:33:35,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fdb57a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:33:35, skipping insertion in model container [2020-10-20 06:33:35,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:33:35,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:35" (2/3) ... [2020-10-20 06:33:35,781 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fdb57a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:33:35, skipping insertion in model container [2020-10-20 06:33:35,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:33:35,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:33:35" (3/3) ... [2020-10-20 06:33:35,783 INFO L373 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-3.c [2020-10-20 06:33:35,858 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:33:35,859 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:33:35,859 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:33:35,859 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:33:35,859 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:33:35,860 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:33:35,860 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:33:35,860 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:33:35,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-10-20 06:33:35,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:33:35,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:33:35,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:33:35,924 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:33:35,925 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:33:35,925 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:33:35,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-10-20 06:33:35,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:33:35,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:33:35,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:33:35,927 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:33:35,927 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:33:35,938 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~mem2, main_#t~post3, main_#t~mem1, main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 6#L15-3true [2020-10-20 06:33:35,939 INFO L796 eck$LassoCheckResult]: Loop: 6#L15-3true call main_#t~mem1 := read~int(main_~p~0.base, main_~p~0.offset, 4); 10#L15-1true assume !!(main_#t~mem1 >= 0);havoc main_#t~mem1;call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post3 := main_#t~mem2;call write~int(main_#t~post3 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~post3;havoc main_#t~mem2; 6#L15-3true [2020-10-20 06:33:35,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:35,946 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:33:35,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:35,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081446120] [2020-10-20 06:33:35,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:36,081 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:36,090 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:36,112 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:36,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:36,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2020-10-20 06:33:36,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:36,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089047332] [2020-10-20 06:33:36,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:36,128 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:36,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:36,139 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:36,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:36,141 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-10-20 06:33:36,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:36,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928769668] [2020-10-20 06:33:36,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:36,164 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:36,179 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:36,183 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:36,386 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:33:36,387 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:33:36,387 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:33:36,388 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:33:36,388 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:33:36,388 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:36,389 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:33:36,389 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:33:36,389 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-3.c_Iteration1_Lasso [2020-10-20 06:33:36,389 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:33:36,390 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:33:36,414 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 06:33:36,427 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 06:33:36,432 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 06:33:36,436 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 06:33:36,440 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 06:33:36,444 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 06:33:36,448 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 06:33:36,852 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:33:36,858 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 06:33:36,870 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 06:33:36,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:36,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:36,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:36,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:36,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:36,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:36,878 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 06:33:36,881 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 06:33:36,920 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 [2020-10-20 06:33:36,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:36,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:36,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:36,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:36,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:33:36,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:36,943 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 [2020-10-20 06:33:36,971 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 06:33:36,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:36,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:36,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:36,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:36,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:36,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:36,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:33:36,982 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 [2020-10-20 06:33:37,012 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 06:33:37,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:37,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:37,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:37,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:37,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:37,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:37,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:33:37,018 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 [2020-10-20 06:33:37,052 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 [2020-10-20 06:33:37,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:37,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:37,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:37,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:37,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:33:37,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:37,063 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 [2020-10-20 06:33:37,103 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 06:33:37,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:37,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:37,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:37,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:37,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:37,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:37,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:33:37,121 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 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 06:33:37,152 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 06:33:37,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:37,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:37,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:37,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:37,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:33:37,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:37,164 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 [2020-10-20 06:33:37,191 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 06:33:37,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:37,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:37,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:37,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:37,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:33:37,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:37,206 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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:37,231 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 06:33:37,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:37,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:37,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:37,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:37,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:37,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:37,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:33:37,238 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:33:37,249 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 06:33:37,250 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-20 06:33:37,257 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:33:37,258 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 06:33:37,258 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:33:37,258 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 06:33:37,288 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-10-20 06:33:37,297 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:33:37,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:33:37,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:33:37,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:33:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:33:37,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:33:37,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:33:37,359 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 06:33:37,377 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 06:33:37,379 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2020-10-20 06:33:37,456 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 06:33:37,457 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 06:33:37,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 06:33:37,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-10-20 06:33:37,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-20 06:33:37,462 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:37,462 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 06:33:37,462 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:37,462 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 06:33:37,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:37,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2020-10-20 06:33:37,473 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:33:37,477 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2020-10-20 06:33:37,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:33:37,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:33:37,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:33:37,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:33:37,479 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:33:37,479 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:33:37,479 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:33:37,479 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:33:37,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:33:37,480 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:33:37,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:33:37,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:33:37 BoogieIcfgContainer [2020-10-20 06:33:37,496 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:33:37,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:33:37,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:33:37,497 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:33:37,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:33:35" (3/4) ... [2020-10-20 06:33:37,507 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:33:37,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:33:37,513 INFO L168 Benchmark]: Toolchain (without parser) took 2352.97 ms. Allocated memory was 39.8 MB in the beginning and 47.7 MB in the end (delta: 7.9 MB). Free memory was 17.7 MB in the beginning and 27.4 MB in the end (delta: -9.7 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:33:37,514 INFO L168 Benchmark]: CDTParser took 1.08 ms. Allocated memory is still 30.9 MB. Free memory was 17.0 MB in the beginning and 17.0 MB in the end (delta: 31.3 kB). Peak memory consumption was 31.3 kB. Max. memory is 14.3 GB. [2020-10-20 06:33:37,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.08 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 16.9 MB in the beginning and 17.7 MB in the end (delta: -816.6 kB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:37,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.71 ms. Allocated memory is still 40.9 MB. Free memory was 17.7 MB in the beginning and 16.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:37,526 INFO L168 Benchmark]: Boogie Preprocessor took 20.18 ms. Allocated memory is still 40.9 MB. Free memory was 16.1 MB in the beginning and 14.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:37,527 INFO L168 Benchmark]: RCFGBuilder took 285.20 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 14.9 MB in the beginning and 19.4 MB in the end (delta: -4.5 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:37,528 INFO L168 Benchmark]: BuchiAutomizer took 1723.19 ms. Allocated memory was 42.5 MB in the beginning and 47.7 MB in the end (delta: 5.2 MB). Free memory was 19.2 MB in the beginning and 27.7 MB in the end (delta: -8.6 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:33:37,529 INFO L168 Benchmark]: Witness Printer took 10.86 ms. Allocated memory is still 47.7 MB. Free memory was 27.7 MB in the beginning and 27.4 MB in the end (delta: 375.2 kB). Peak memory consumption was 375.2 kB. Max. memory is 14.3 GB. [2020-10-20 06:33:37,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 ms. Allocated memory is still 30.9 MB. Free memory was 17.0 MB in the beginning and 17.0 MB in the end (delta: 31.3 kB). Peak memory consumption was 31.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 269.08 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 16.9 MB in the beginning and 17.7 MB in the end (delta: -816.6 kB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 34.71 ms. Allocated memory is still 40.9 MB. Free memory was 17.7 MB in the beginning and 16.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 20.18 ms. Allocated memory is still 40.9 MB. Free memory was 16.1 MB in the beginning and 14.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 285.20 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 14.9 MB in the beginning and 19.4 MB in the end (delta: -4.5 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1723.19 ms. Allocated memory was 42.5 MB in the beginning and 47.7 MB in the end (delta: 5.2 MB). Free memory was 19.2 MB in the beginning and 27.7 MB in the end (delta: -8.6 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 10.86 ms. Allocated memory is still 47.7 MB. Free memory was 27.7 MB in the beginning and 27.4 MB in the end (delta: 375.2 kB). Peak memory consumption was 375.2 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 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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: inital89 mio100 ax100 hnf100 lsp93 ukn77 mio100 lsp39 div100 bol100 ite100 ukn100 eq179 hnf88 smp100 dnf104 smp95 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms 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...