./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-1.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- 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/termination-memory-linkedlists/ll_create_rec-alloca-1.i -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 e43f3debe3d2b42f4d7471605fd436bf5ef4d6f0 ................................................................................................................................................................................................................................................................................ 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*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_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 01:37:34,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:37:34,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:37:34,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:37:34,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:37:34,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:37:34,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:37:34,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:37:34,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:37:34,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:37:34,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:37:34,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:37:34,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:37:34,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:37:34,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:37:34,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:37:34,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:37:34,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:37:34,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:37:34,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:37:34,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:37:34,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:37:34,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:37:34,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:37:34,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:37:34,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:37:34,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:37:34,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:37:34,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:37:34,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:37:34,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:37:34,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:37:34,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:37:34,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:37:34,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:37:34,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:37:34,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:37:34,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:37:34,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:37:34,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:37:34,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:37:34,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:37:34,340 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:37:34,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:37:34,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:37:34,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:37:34,342 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:37:34,342 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:37:34,343 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:37:34,343 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:37:34,343 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:37:34,343 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:37:34,343 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:37:34,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:37:34,344 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:37:34,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:37:34,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:37:34,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:37:34,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:37:34,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:37:34,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:37:34,345 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:37:34,346 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:37:34,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:37:34,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:37:34,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:37:34,347 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:37:34,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:37:34,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:37:34,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:37:34,347 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:37:34,349 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:37:34,349 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e43f3debe3d2b42f4d7471605fd436bf5ef4d6f0 [2020-07-29 01:37:34,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:37:34,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:37:34,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:37:34,685 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:37:34,688 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:37:34,690 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-1.i [2020-07-29 01:37:34,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/037047b3c/9ec2f4b23bca4af6b673c3e9005d90a7/FLAG8c15b10a8 [2020-07-29 01:37:35,282 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:37:35,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-1.i [2020-07-29 01:37:35,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/037047b3c/9ec2f4b23bca4af6b673c3e9005d90a7/FLAG8c15b10a8 [2020-07-29 01:37:35,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/037047b3c/9ec2f4b23bca4af6b673c3e9005d90a7 [2020-07-29 01:37:35,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:37:35,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:37:35,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:37:35,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:37:35,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:37:35,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:37:35" (1/1) ... [2020-07-29 01:37:35,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d96afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:35, skipping insertion in model container [2020-07-29 01:37:35,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:37:35" (1/1) ... [2020-07-29 01:37:35,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:37:35,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:37:36,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:37:36,074 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:37:36,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:37:36,287 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:37:36,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36 WrapperNode [2020-07-29 01:37:36,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:37:36,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:37:36,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:37:36,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:37:36,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36" (1/1) ... [2020-07-29 01:37:36,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36" (1/1) ... [2020-07-29 01:37:36,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:37:36,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:37:36,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:37:36,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:37:36,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36" (1/1) ... [2020-07-29 01:37:36,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36" (1/1) ... [2020-07-29 01:37:36,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36" (1/1) ... [2020-07-29 01:37:36,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36" (1/1) ... [2020-07-29 01:37:36,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36" (1/1) ... [2020-07-29 01:37:36,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36" (1/1) ... [2020-07-29 01:37:36,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36" (1/1) ... [2020-07-29 01:37:36,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:37:36,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:37:36,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:37:36,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:37:36,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36" (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 01:37:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure new_ll [2020-07-29 01:37:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure new_ll [2020-07-29 01:37:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:37:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 01:37:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-29 01:37:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:37:36,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:37:36,693 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:37:36,694 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 01:37:36,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:37:36 BoogieIcfgContainer [2020-07-29 01:37:36,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:37:36,698 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:37:36,698 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:37:36,703 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:37:36,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:37:36,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:37:35" (1/3) ... [2020-07-29 01:37:36,705 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a5ddd81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:37:36, skipping insertion in model container [2020-07-29 01:37:36,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:37:36,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:36" (2/3) ... [2020-07-29 01:37:36,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a5ddd81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:37:36, skipping insertion in model container [2020-07-29 01:37:36,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:37:36,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:37:36" (3/3) ... [2020-07-29 01:37:36,708 INFO L371 chiAutomizerObserver]: Analyzing ICFG ll_create_rec-alloca-1.i [2020-07-29 01:37:36,779 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:37:36,780 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:37:36,780 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:37:36,780 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:37:36,781 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:37:36,781 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:37:36,781 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:37:36,781 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:37:36,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-07-29 01:37:36,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:37:36,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:36,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:36,847 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-29 01:37:36,848 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:37:36,848 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:37:36,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-07-29 01:37:36,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:37:36,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:36,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:36,854 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-29 01:37:36,854 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:37:36,863 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~ret5.base, main_#t~ret5.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet4;havoc main_#t~nondet4; 4#L558true call main_#t~ret5.base, main_#t~ret5.offset := new_ll(main_~n~0);< 11#new_llENTRYtrue [2020-07-29 01:37:36,863 INFO L796 eck$LassoCheckResult]: Loop: 11#new_llENTRYtrue ~n := #in~n; 14#L548true assume !(0 == ~n % 4294967296);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int((if ~n % 4294967296 % 4294967296 <= 2147483647 then ~n % 4294967296 % 4294967296 else ~n % 4294967296 % 4294967296 - 4294967296), ~head~0.base, ~head~0.offset, 4); 7#L552true call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 11#new_llENTRYtrue [2020-07-29 01:37:36,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:36,871 INFO L82 PathProgramCache]: Analyzing trace with hash 37807, now seen corresponding path program 1 times [2020-07-29 01:37:36,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:37:36,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401988674] [2020-07-29 01:37:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:37:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:37,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:37,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:37,056 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:37:37,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:37,058 INFO L82 PathProgramCache]: Analyzing trace with hash 29931, now seen corresponding path program 1 times [2020-07-29 01:37:37,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:37:37,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453169307] [2020-07-29 01:37:37,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:37:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:37,117 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:37,154 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:37,156 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$LassoCheckResult.checkLoopFeasibility(LassoCheck.java:890) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:809) 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 01:37:37,162 INFO L168 Benchmark]: Toolchain (without parser) took 1556.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:37,163 INFO L168 Benchmark]: CDTParser took 1.05 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 01:37:37,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:37,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:37:37,165 INFO L168 Benchmark]: Boogie Preprocessor took 26.52 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:37,166 INFO L168 Benchmark]: RCFGBuilder took 330.89 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:37,167 INFO L168 Benchmark]: BuchiAutomizer took 460.64 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. [2020-07-29 01:37:37,172 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 1.05 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 680.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.52 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 330.89 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 460.64 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. * 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...