./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/trex03-2.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/trex03-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2699f88da23e1e6ce9b7282cb5b4385a6b28607b ........................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: null --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 02:06:21,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:06:21,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:06:21,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:06:21,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:06:21,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:06:21,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:06:21,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:06:21,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:06:21,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:06:21,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:06:21,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:06:21,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:06:21,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:06:21,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:06:21,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:06:21,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:06:21,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:06:21,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:06:21,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:06:21,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:06:21,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:06:21,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:06:21,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:06:21,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:06:21,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:06:21,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:06:21,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:06:21,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:06:21,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:06:21,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:06:21,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:06:21,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:06:21,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:06:21,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:06:21,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:06:21,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:06:21,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:06:21,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:06:21,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:06:21,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:06:21,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:06:21,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:06:21,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:06:21,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:06:21,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:06:21,340 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:06:21,340 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:06:21,341 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:06:21,341 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:06:21,341 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:06:21,342 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:06:21,342 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:06:21,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:06:21,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:06:21,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:06:21,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:06:21,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:06:21,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:06:21,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:06:21,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:06:21,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:06:21,345 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:06:21,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:06:21,345 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:06:21,346 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:06:21,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:06:21,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:06:21,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:06:21,347 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:06:21,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:06:21,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:06:21,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:06:21,348 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:06:21,349 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:06:21,349 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2699f88da23e1e6ce9b7282cb5b4385a6b28607b [2020-07-29 02:06:21,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:06:21,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:06:21,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:06:21,685 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:06:21,685 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:06:21,686 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex03-2.c [2020-07-29 02:06:21,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a090e27/545d418bfb6b4e6f825c6852de63ff1d/FLAG1e5ff5120 [2020-07-29 02:06:22,207 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:06:22,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex03-2.c [2020-07-29 02:06:22,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a090e27/545d418bfb6b4e6f825c6852de63ff1d/FLAG1e5ff5120 [2020-07-29 02:06:22,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a090e27/545d418bfb6b4e6f825c6852de63ff1d [2020-07-29 02:06:22,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:06:22,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:06:22,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:06:22,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:06:22,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:06:22,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:06:22" (1/1) ... [2020-07-29 02:06:22,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8781850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22, skipping insertion in model container [2020-07-29 02:06:22,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:06:22" (1/1) ... [2020-07-29 02:06:22,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:06:22,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:06:22,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:06:22,913 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:06:22,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:06:22,955 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:06:22,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22 WrapperNode [2020-07-29 02:06:22,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:06:22,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:06:22,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:06:22,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:06:22,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22" (1/1) ... [2020-07-29 02:06:22,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22" (1/1) ... [2020-07-29 02:06:23,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:06:23,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:06:23,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:06:23,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:06:23,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22" (1/1) ... [2020-07-29 02:06:23,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22" (1/1) ... [2020-07-29 02:06:23,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22" (1/1) ... [2020-07-29 02:06:23,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22" (1/1) ... [2020-07-29 02:06:23,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22" (1/1) ... [2020-07-29 02:06:23,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22" (1/1) ... [2020-07-29 02:06:23,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22" (1/1) ... [2020-07-29 02:06:23,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:06:23,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:06:23,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:06:23,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:06:23,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22" (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 [2020-07-29 02:06:23,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:06:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:06:23,495 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:06:23,496 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 02:06:23,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:06:23 BoogieIcfgContainer [2020-07-29 02:06:23,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:06:23,500 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:06:23,500 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:06:23,505 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:06:23,506 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:06:23,506 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:06:22" (1/3) ... [2020-07-29 02:06:23,507 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cad3994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:06:23, skipping insertion in model container [2020-07-29 02:06:23,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:06:23,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:22" (2/3) ... [2020-07-29 02:06:23,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cad3994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:06:23, skipping insertion in model container [2020-07-29 02:06:23,509 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:06:23,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:06:23" (3/3) ... [2020-07-29 02:06:23,511 INFO L371 chiAutomizerObserver]: Analyzing ICFG trex03-2.c [2020-07-29 02:06:23,558 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:06:23,559 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:06:23,559 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:06:23,559 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:06:23,559 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:06:23,559 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:06:23,559 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:06:23,559 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:06:23,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 02:06:23,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 02:06:23,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:06:23,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:06:23,597 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 02:06:23,597 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 02:06:23,597 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:06:23,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 02:06:23,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 02:06:23,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:06:23,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:06:23,601 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 02:06:23,601 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 02:06:23,607 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_~x1~0, main_~x2~0, main_~x3~0, main_~d1~0, main_~d2~0, main_~d3~0, main_~c1~0, main_~c2~0;main_~x1~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x2~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~x3~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~d1~0 := 1;main_~d2~0 := 1;main_~d3~0 := 1;main_~c1~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~c2~0 := main_#t~nondet4;havoc main_#t~nondet4; 7#L18-2true [2020-07-29 02:06:23,607 INFO L796 eck$LassoCheckResult]: Loop: 7#L18-2true assume !!((main_~x1~0 % 4294967296 > 0 && main_~x2~0 % 4294967296 > 0) && main_~x3~0 % 4294967296 > 0); 13#L20true assume 0 != main_~c1~0 % 256;main_~x1~0 := main_~x1~0 - main_~d1~0; 11#L21-2true main_~c1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~c2~0 := main_#t~nondet6;havoc main_#t~nondet6; 7#L18-2true [2020-07-29 02:06:23,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:06:23,612 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-07-29 02:06:23,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:06:23,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50502872] [2020-07-29 02:06:23,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:06:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:23,704 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:23,711 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:23,726 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:06:23,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:06:23,727 INFO L82 PathProgramCache]: Analyzing trace with hash 39826, now seen corresponding path program 1 times [2020-07-29 02:06:23,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:06:23,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572063739] [2020-07-29 02:06:23,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:06:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:23,756 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:23,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:23,774 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:06:23,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:06:23,776 INFO L82 PathProgramCache]: Analyzing trace with hash 963347, now seen corresponding path program 1 times [2020-07-29 02:06:23,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:06:23,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457143291] [2020-07-29 02:06:23,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:06:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:23,793 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:23,808 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:23,810 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.map(Model.java:227) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.add(ModelBuilder.java:123) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.fillInFunctions(ModelBuilder.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.(ModelBuilder.java:49) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CClosure.fillInModel(CClosure.java:1312) at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.(Model.java:120) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.buildModel(SMTInterpol.java:1139) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getValue(SMTInterpol.java:1004) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.getValues(SmtUtils.java:2112) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.getValue(TraceCheck.java:401) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.lambda$0(TraceCheck.java:375) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecution(TraceCheck.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:343) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:223) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:223) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkFeasibilityAndComputeInterpolants(LassoCheck.java:928) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkConcatFeasibility(LassoCheck.java:899) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:832) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-29 02:06:23,821 INFO L168 Benchmark]: Toolchain (without parser) took 1204.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-29 02:06:23,821 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:06:23,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.76 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:06:23,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 950.8 MB in the beginning and 1.2 GB in the end (delta: -199.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:06:23,827 INFO L168 Benchmark]: Boogie Preprocessor took 37.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:06:23,829 INFO L168 Benchmark]: RCFGBuilder took 407.87 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:06:23,830 INFO L168 Benchmark]: BuchiAutomizer took 314.17 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2020-07-29 02:06:23,837 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.76 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 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 93.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 950.8 MB in the beginning and 1.2 GB in the end (delta: -199.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 407.87 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 314.17 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.map(Model.java:227) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...