./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.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 0a93871a8dae316852c5fe296af5e1db1eea1d37 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:29:30,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:29:30,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:29:30,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:29:30,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:29:30,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:29:30,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:29:30,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:29:30,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:29:30,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:29:30,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:29:30,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:29:30,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:29:30,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:29:30,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:29:30,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:29:30,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:29:30,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:29:30,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:29:30,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:29:30,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:29:30,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:29:30,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:29:30,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:29:30,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:29:30,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:29:30,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:29:30,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:29:30,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:29:30,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:29:30,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:29:30,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:29:30,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:29:30,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:29:30,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:29:30,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:29:30,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:29:30,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:29:30,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:29:30,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:29:30,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:29:30,362 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:29:30,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:29:30,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:29:30,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:29:30,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:29:30,393 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:29:30,394 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:29:30,394 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:29:30,395 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:29:30,395 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:29:30,395 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:29:30,396 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:29:30,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:29:30,397 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:29:30,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:29:30,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:29:30,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:29:30,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:29:30,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:29:30,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:29:30,400 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:29:30,400 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:29:30,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:29:30,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:29:30,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:29:30,401 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:29:30,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:29:30,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:29:30,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:29:30,402 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:29:30,403 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:29:30,404 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 -> 0a93871a8dae316852c5fe296af5e1db1eea1d37 [2019-11-28 20:29:30,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:29:30,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:29:30,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:29:30,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:29:30,770 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:29:30,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2019-11-28 20:29:30,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ce230f6/12b4a936f6e64815b4ba2a1d9b50f23a/FLAGdc35a6f1a [2019-11-28 20:29:31,282 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:29:31,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2019-11-28 20:29:31,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ce230f6/12b4a936f6e64815b4ba2a1d9b50f23a/FLAGdc35a6f1a [2019-11-28 20:29:31,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ce230f6/12b4a936f6e64815b4ba2a1d9b50f23a [2019-11-28 20:29:31,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:29:31,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:29:31,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:29:31,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:29:31,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:29:31,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:29:31" (1/1) ... [2019-11-28 20:29:31,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff68dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:31, skipping insertion in model container [2019-11-28 20:29:31,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:29:31" (1/1) ... [2019-11-28 20:29:31,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:29:31,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:29:31,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:29:31,972 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:29:31,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:29:32,006 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:29:32,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32 WrapperNode [2019-11-28 20:29:32,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:29:32,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:29:32,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:29:32,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:29:32,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32" (1/1) ... [2019-11-28 20:29:32,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32" (1/1) ... [2019-11-28 20:29:32,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:29:32,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:29:32,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:29:32,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:29:32,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32" (1/1) ... [2019-11-28 20:29:32,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32" (1/1) ... [2019-11-28 20:29:32,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32" (1/1) ... [2019-11-28 20:29:32,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32" (1/1) ... [2019-11-28 20:29:32,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32" (1/1) ... [2019-11-28 20:29:32,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32" (1/1) ... [2019-11-28 20:29:32,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32" (1/1) ... [2019-11-28 20:29:32,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:29:32,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:29:32,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:29:32,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:29:32,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32" (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 [2019-11-28 20:29:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:29:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:29:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:29:32,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:29:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:29:32,426 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:29:32,427 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-28 20:29:32,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:29:32 BoogieIcfgContainer [2019-11-28 20:29:32,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:29:32,429 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:29:32,429 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:29:32,433 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:29:32,434 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:29:32,434 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:29:31" (1/3) ... [2019-11-28 20:29:32,436 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3677f398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:29:32, skipping insertion in model container [2019-11-28 20:29:32,436 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:29:32,436 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:29:32" (2/3) ... [2019-11-28 20:29:32,437 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3677f398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:29:32, skipping insertion in model container [2019-11-28 20:29:32,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:29:32,437 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:29:32" (3/3) ... [2019-11-28 20:29:32,439 INFO L371 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-2.c [2019-11-28 20:29:32,489 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:29:32,489 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:29:32,489 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:29:32,490 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:29:32,490 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:29:32,490 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:29:32,490 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:29:32,490 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:29:32,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 20:29:32,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:29:32,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:29:32,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:29:32,528 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:29:32,529 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:29:32,529 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:29:32,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 20:29:32,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:29:32,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:29:32,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:29:32,530 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:29:32,531 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:29:32,537 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~nondet1, main_#t~mem3, main_#t~post4, main_#t~mem2, main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(main_#t~nondet1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~nondet1; 6#L15-3true [2019-11-28 20:29:32,537 INFO L796 eck$LassoCheckResult]: Loop: 6#L15-3true call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4); 10#L15-1true assume !!(main_#t~mem2 >= 0);havoc main_#t~mem2;call main_#t~mem3 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post4 := main_#t~mem3;call write~int(main_#t~post4 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem3;havoc main_#t~post4; 6#L15-3true [2019-11-28 20:29:32,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:32,543 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 20:29:32,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:29:32,553 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342897653] [2019-11-28 20:29:32,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:29:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:32,671 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:29:32,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:32,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-11-28 20:29:32,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:29:32,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936927119] [2019-11-28 20:29:32,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:29:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:32,703 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:29:32,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:32,709 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-11-28 20:29:32,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:29:32,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399624717] [2019-11-28 20:29:32,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:29:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:32,742 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:29:33,058 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-11-28 20:29:33,133 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:29:33,134 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:29:33,135 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:29:33,135 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:29:33,135 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:29:33,135 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:33,136 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:29:33,136 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:29:33,136 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-2.c_Iteration1_Lasso [2019-11-28 20:29:33,136 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:29:33,137 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:29:33,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:33,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:33,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:33,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:33,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:33,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:33,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:33,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:33,635 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:29:33,642 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) [2019-11-28 20:29:33,657 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 [2019-11-28 20:29:33,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:33,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:29:33,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:33,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:33,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:33,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:29:33,669 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 [2019-11-28 20:29:33,677 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) [2019-11-28 20:29:33,694 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 [2019-11-28 20:29:33,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:33,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:29:33,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:33,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:33,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:33,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:29:33,701 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 [2019-11-28 20:29:33,704 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) [2019-11-28 20:29:33,723 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 [2019-11-28 20:29:33,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:33,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:29:33,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:33,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:33,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:33,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:29:33,732 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 [2019-11-28 20:29:33,738 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) [2019-11-28 20:29:33,754 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 [2019-11-28 20:29:33,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:33,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:33,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:33,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:33,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:29:33,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:33,771 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) [2019-11-28 20:29:33,791 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 [2019-11-28 20:29:33,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:33,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:29:33,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:33,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:33,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:33,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:29:33,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:33,799 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) [2019-11-28 20:29:33,814 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 [2019-11-28 20:29:33,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:33,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:33,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:33,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:33,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:29:33,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:33,833 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) [2019-11-28 20:29:33,851 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 [2019-11-28 20:29:33,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:33,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:33,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:33,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:33,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:29:33,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:33,876 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) [2019-11-28 20:29:33,899 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 [2019-11-28 20:29:33,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:33,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:33,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:33,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:33,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:29:33,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:33,928 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:29:33,961 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 20:29:33,962 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 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 [2019-11-28 20:29:33,973 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:29:33,976 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:29:33,977 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:29:33,978 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 [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 20:29:33,997 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-28 20:29:34,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:29:34,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:34,050 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:34,051 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:34,070 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:29:34,071 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:34,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:29:34,111 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 [2019-11-28 20:29:34,113 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-11-28 20:29:34,171 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 18 states and 20 transitions. Complement of second has 7 states. [2019-11-28 20:29:34,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:29:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-11-28 20:29:34,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-28 20:29:34,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:34,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 20:29:34,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:34,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-28 20:29:34,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:34,182 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2019-11-28 20:29:34,185 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:29:34,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-11-28 20:29:34,189 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:29:34,189 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:29:34,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:29:34,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:29:34,190 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:29:34,190 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:29:34,191 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:29:34,191 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:29:34,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:29:34,191 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:29:34,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:29:34,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:29:34 BoogieIcfgContainer [2019-11-28 20:29:34,198 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:29:34,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:29:34,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:29:34,199 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:29:34,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:29:32" (3/4) ... [2019-11-28 20:29:34,206 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:29:34,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:29:34,208 INFO L168 Benchmark]: Toolchain (without parser) took 2523.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 961.7 MB in the beginning and 936.0 MB in the end (delta: 25.7 MB). Peak memory consumption was 162.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:29:34,209 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:29:34,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.21 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:29:34,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:29:34,212 INFO L168 Benchmark]: Boogie Preprocessor took 34.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:29:34,213 INFO L168 Benchmark]: RCFGBuilder took 262.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:29:34,214 INFO L168 Benchmark]: BuchiAutomizer took 1769.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.0 MB in the end (delta: 176.5 MB). Peak memory consumption was 176.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:29:34,215 INFO L168 Benchmark]: Witness Printer took 7.35 ms. Allocated memory is still 1.2 GB. Free memory is still 936.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:29:34,225 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.21 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 262.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1769.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.0 MB in the end (delta: 176.5 MB). Peak memory consumption was 176.5 MB. Max. memory is 11.5 GB. * Witness Printer took 7.35 ms. Allocated memory is still 1.2 GB. Free memory is still 936.0 MB. There was no memory consumed. Max. memory is 11.5 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 6 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: 28ms 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...