./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/chunk2.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-recursive-malloc/chunk2.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 7ec9a57be1d36dda380e5a4e58b869e7f4707b06 ......................................................................................................................................................................................................................................................................................................... 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: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:40:00,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:40:00,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:40:00,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:40:00,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:40:00,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:40:00,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:40:00,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:40:00,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:40:00,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:40:00,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:40:00,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:40:00,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:40:00,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:40:00,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:40:00,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:40:00,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:40:00,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:40:00,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:40:00,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:40:00,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:40:00,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:40:00,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:40:00,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:40:00,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:40:00,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:40:00,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:40:00,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:40:00,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:40:00,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:40:00,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:40:00,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:40:00,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:40:00,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:40:00,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:40:00,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:40:00,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:40:00,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:40:00,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:40:00,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:40:00,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:40:00,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:40:00,792 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:40:00,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:40:00,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:40:00,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:40:00,796 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:40:00,797 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:40:00,797 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:40:00,798 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:40:00,799 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:40:00,799 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:40:00,799 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:40:00,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:40:00,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:40:00,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:40:00,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:40:00,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:40:00,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:40:00,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:40:00,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:40:00,803 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:40:00,803 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:40:00,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:40:00,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:40:00,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:40:00,804 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:40:00,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:40:00,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:40:00,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:40:00,805 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:40:00,806 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:40:00,807 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 -> 7ec9a57be1d36dda380e5a4e58b869e7f4707b06 [2020-07-29 01:40:01,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:40:01,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:40:01,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:40:01,173 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:40:01,173 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:40:01,174 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/chunk2.i [2020-07-29 01:40:01,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/537d1c34c/e8daa58cc4804050b1732375132e5363/FLAG2137d1697 [2020-07-29 01:40:01,699 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:40:01,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/chunk2.i [2020-07-29 01:40:01,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/537d1c34c/e8daa58cc4804050b1732375132e5363/FLAG2137d1697 [2020-07-29 01:40:02,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/537d1c34c/e8daa58cc4804050b1732375132e5363 [2020-07-29 01:40:02,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:40:02,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:40:02,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:40:02,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:40:02,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:40:02,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:40:02" (1/1) ... [2020-07-29 01:40:02,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a968279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02, skipping insertion in model container [2020-07-29 01:40:02,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:40:02" (1/1) ... [2020-07-29 01:40:02,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:40:02,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:40:02,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:40:02,374 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:40:02,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:40:02,422 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:40:02,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02 WrapperNode [2020-07-29 01:40:02,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:40:02,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:40:02,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:40:02,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:40:02,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02" (1/1) ... [2020-07-29 01:40:02,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02" (1/1) ... [2020-07-29 01:40:02,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:40:02,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:40:02,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:40:02,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:40:02,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02" (1/1) ... [2020-07-29 01:40:02,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02" (1/1) ... [2020-07-29 01:40:02,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02" (1/1) ... [2020-07-29 01:40:02,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02" (1/1) ... [2020-07-29 01:40:02,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02" (1/1) ... [2020-07-29 01:40:02,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02" (1/1) ... [2020-07-29 01:40:02,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02" (1/1) ... [2020-07-29 01:40:02,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:40:02,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:40:02,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:40:02,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:40:02,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02" (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 01:40:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-29 01:40:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure chunk [2020-07-29 01:40:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk [2020-07-29 01:40:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-29 01:40:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:40:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 01:40:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:40:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:40:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:40:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:40:03,197 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:40:03,198 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 01:40:03,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:40:03 BoogieIcfgContainer [2020-07-29 01:40:03,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:40:03,203 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:40:03,203 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:40:03,207 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:40:03,208 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:40:03,208 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:40:02" (1/3) ... [2020-07-29 01:40:03,209 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53e63843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:40:03, skipping insertion in model container [2020-07-29 01:40:03,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:40:03,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:40:02" (2/3) ... [2020-07-29 01:40:03,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53e63843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:40:03, skipping insertion in model container [2020-07-29 01:40:03,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:40:03,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:40:03" (3/3) ... [2020-07-29 01:40:03,213 INFO L371 chiAutomizerObserver]: Analyzing ICFG chunk2.i [2020-07-29 01:40:03,263 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:40:03,263 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:40:03,263 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:40:03,264 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:40:03,264 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:40:03,264 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:40:03,264 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:40:03,265 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:40:03,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-07-29 01:40:03,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:40:03,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:40:03,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:40:03,319 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:40:03,320 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:40:03,320 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:40:03,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-07-29 01:40:03,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:40:03,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:40:03,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:40:03,325 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:40:03,325 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:40:03,334 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet15, main_#t~nondet16, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18.base, main_#t~mem18.offset, main_~data~0.base, main_~data~0.offset, main_~p0~1.base, main_~p0~1.offset, main_~p1~1.base, main_~p1~1.offset, main_~p2~1.base, main_~p2~1.offset, main_~p3~1.base, main_~p3~1.offset, main_~i~0, main_~upper~0, main_~p1_new~0.base, main_~p1_new~0.offset, main_~p2_new~0.base, main_~p2_new~0.offset;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnHeap(32);main_~data~0.base, main_~data~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p0~1.base, main_~p0~1.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p1~1.base, main_~p1~1.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnHeap(4);main_~p2~1.base, main_~p2~1.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnHeap(4);main_~p3~1.base, main_~p3~1.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := main_#t~nondet15;havoc main_#t~nondet15;main_~upper~0 := main_#t~nondet16;havoc main_#t~nondet16; 8#L42true assume !(main_~i~0 >= main_~upper~0);call write~int(main_~i~0, main_~p0~1.base, main_~p0~1.offset, 4);call write~int(main_~upper~0, main_~p3~1.base, main_~p3~1.offset, 4);call write~$Pointer$(main_~p0~1.base, main_~p0~1.offset, main_~data~0.base, main_~data~0.offset, 8);call write~$Pointer$(main_~p1~1.base, main_~p1~1.offset, main_~data~0.base, 8 + main_~data~0.offset, 8);call write~$Pointer$(main_~p2~1.base, main_~p2~1.offset, main_~data~0.base, 16 + main_~data~0.offset, 8);call write~$Pointer$(main_~p3~1.base, main_~p3~1.offset, main_~data~0.base, 24 + main_~data~0.offset, 8); 15#L57true call chunk(main_~data~0.base, main_~data~0.offset);< 13#chunkENTRYtrue [2020-07-29 01:40:03,334 INFO L796 eck$LassoCheckResult]: Loop: 13#chunkENTRYtrue ~data.base, ~data.offset := #in~data.base, #in~data.offset;call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~data.base, ~data.offset, 8);~p0~0.base, ~p0~0.offset := #t~mem1.base, #t~mem1.offset;havoc #t~mem1.base, #t~mem1.offset;call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~data.base, 8 + ~data.offset, 8);~p1~0.base, ~p1~0.offset := #t~mem2.base, #t~mem2.offset;havoc #t~mem2.base, #t~mem2.offset;call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~data.base, 16 + ~data.offset, 8);~p2~0.base, ~p2~0.offset := #t~mem3.base, #t~mem3.offset;havoc #t~mem3.base, #t~mem3.offset;call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~data.base, 24 + ~data.offset, 8);~p3~0.base, ~p3~0.offset := #t~mem4.base, #t~mem4.offset;havoc #t~mem4.base, #t~mem4.offset;call #t~mem5 := read~int(~p0~0.base, ~p0~0.offset, 4);call #t~mem6 := read~int(~p3~0.base, ~p3~0.offset, 4); 6#L14true assume !(#t~mem5 >= #t~mem6);havoc #t~mem6;havoc #t~mem5;call #t~mem7 := read~int(~p0~0.base, ~p0~0.offset, 4);#t~post8 := #t~mem7;call write~int(1 + #t~post8, ~p0~0.base, ~p0~0.offset, 4);havoc #t~mem7;havoc #t~post8;call ULTIMATE.dealloc(~p1~0.base, ~p1~0.offset);call write~$Pointer$(~p2~0.base, ~p2~0.offset, ~data.base, 8 + ~data.offset, 8);call #t~malloc9.base, #t~malloc9.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(#t~malloc9.base, #t~malloc9.offset, ~data.base, 16 + ~data.offset, 8); 5#L25true call chunk(~data.base, ~data.offset);< 13#chunkENTRYtrue [2020-07-29 01:40:03,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:40:03,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1141163, now seen corresponding path program 1 times [2020-07-29 01:40:03,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:40:03,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952478744] [2020-07-29 01:40:03,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:40:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:40:03,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:40:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:40:03,616 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:40:03,644 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:40:03,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:40:03,646 INFO L82 PathProgramCache]: Analyzing trace with hash 29935, now seen corresponding path program 1 times [2020-07-29 01:40:03,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:40:03,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445119507] [2020-07-29 01:40:03,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:40:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:40:03,674 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:40:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:40:03,698 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:40:03,711 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:40:03,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:40:03,715 INFO L82 PathProgramCache]: Analyzing trace with hash -363351291, now seen corresponding path program 1 times [2020-07-29 01:40:03,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:40:03,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855383911] [2020-07-29 01:40:03,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:40:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:40:03,867 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:40:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:40:03,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:40:03,944 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:40:05,802 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 160 DAG size of output: 150 [2020-07-29 01:40:05,972 INFO L440 ElimStorePlain]: Different costs {2=[|v_#memory_int_23|], 4=[|v_#memory_$Pointer$.base_23|, |v_#memory_$Pointer$.offset_23|]} [2020-07-29 01:40:05,999 INFO L544 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-29 01:40:06,634 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-29 01:40:06,636 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-29 01:40:06,658 INFO L544 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-29 01:40:07,118 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-29 01:40:07,119 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-29 01:40:07,142 INFO L544 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-29 01:40:07,664 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-29 01:40:07,665 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-29 01:40:07,669 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-07-29 01:40:07,670 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:325, output treesize:313 [2020-07-29 01:40:14,873 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2020-07-29 01:40:14,875 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.EliminationTask.areDistinct(EliminationTask.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.validateEquivalence(PartialQuantifierElimination.java:404) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:317) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:105) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition(TransFormulaUtils.java:237) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialCompositionWithPendingCall(TransFormulaUtils.java:501) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.SequentialComposition.getInterproceduralTransFormula(SequentialComposition.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.SequentialComposition.getInterproceduralTransFormula(SequentialComposition.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.SequentialComposition.getInterproceduralTransFormula(SequentialComposition.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.computeTF(LassoCheck.java:362) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.computeLoopTF(LassoCheck.java:344) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:850) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 31 more [2020-07-29 01:40:14,880 INFO L168 Benchmark]: Toolchain (without parser) took 12844.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 954.8 MB in the beginning and 851.7 MB in the end (delta: 103.1 MB). Peak memory consumption was 248.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:40:14,880 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:40:14,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.74 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:40:14,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:40:14,883 INFO L168 Benchmark]: Boogie Preprocessor took 32.55 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 01:40:14,884 INFO L168 Benchmark]: RCFGBuilder took 629.54 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:40:14,885 INFO L168 Benchmark]: BuchiAutomizer took 11674.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 851.7 MB in the end (delta: 245.5 MB). Peak memory consumption was 245.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:40:14,889 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 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.74 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 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 115.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.55 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. * RCFGBuilder took 629.54 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 11674.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 851.7 MB in the end (delta: 245.5 MB). Peak memory consumption was 245.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...