java -ea -Xmx2000000000 -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 ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8f32298 [2018-10-02 17:37:45,600 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 17:37:45,606 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 17:37:45,642 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 17:37:45,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 17:37:45,644 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 17:37:45,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 17:37:45,650 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 17:37:45,654 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 17:37:45,655 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 17:37:45,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 17:37:45,659 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 17:37:45,659 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 17:37:45,660 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 17:37:45,666 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 17:37:45,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 17:37:45,676 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 17:37:45,677 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 17:37:45,682 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 17:37:45,683 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 17:37:45,684 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 17:37:45,691 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 17:37:45,692 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-02 17:37:45,709 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 17:37:45,709 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 17:37:45,711 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 17:37:45,712 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 17:37:45,712 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-02 17:37:45,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 17:37:45,745 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 17:37:45,746 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 17:37:45,746 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 17:37:45,750 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 17:37:45,750 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 17:37:45,750 INFO L133 SettingsManager]: * Use SBE=true [2018-10-02 17:37:45,751 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 17:37:45,751 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 17:37:45,751 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 17:37:45,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 17:37:45,751 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 17:37:45,751 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 17:37:45,754 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 17:37:45,754 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-02 17:37:45,757 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-02 17:37:45,758 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 17:37:45,758 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 17:37:45,758 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 17:37:45,758 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 17:37:45,758 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-02 17:37:45,758 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 17:37:45,758 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-02 17:37:45,759 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-02 17:37:45,759 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 17:37:45,759 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 17:37:45,759 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 17:37:45,759 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-02 17:37:45,759 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 17:37:45,760 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-02 17:37:45,761 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-02 17:37:45,761 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 17:37:45,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 17:37:45,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 17:37:45,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 17:37:45,899 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-02 17:37:45,900 INFO L276 PluginConnector]: CDTParser initialized [2018-10-02 17:37:45,903 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-10-02 17:37:46,557 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/107b7c7b0/467e5d9a1d1f47f0ae2b880704c61960/FLAGc3223c27a [2018-10-02 17:37:46,971 INFO L277 CDTParser]: Found 1 translation units. [2018-10-02 17:37:46,971 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-10-02 17:37:46,979 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/107b7c7b0/467e5d9a1d1f47f0ae2b880704c61960/FLAGc3223c27a [2018-10-02 17:37:47,021 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/107b7c7b0/467e5d9a1d1f47f0ae2b880704c61960 [2018-10-02 17:37:47,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 17:37:47,049 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-02 17:37:47,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-02 17:37:47,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-02 17:37:47,061 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-02 17:37:47,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 05:37:47" (1/1) ... [2018-10-02 17:37:47,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3abfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:37:47, skipping insertion in model container [2018-10-02 17:37:47,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 05:37:47" (1/1) ... [2018-10-02 17:37:47,099 INFO L124 MainTranslator]: Starting translation in SV-COMP mode [2018-10-02 17:37:47,154 INFO L151 MainTranslator]: Built tables and reachable declarations [2018-10-02 17:37:47,607 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-02 17:37:47,620 INFO L166 MainTranslator]: Completed pre-run [2018-10-02 17:37:47,665 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-02 17:37:47,706 INFO L170 MainTranslator]: Completed translation [2018-10-02 17:37:47,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:37:47 WrapperNode [2018-10-02 17:37:47,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-02 17:37:47,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 17:37:47,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 17:37:47,710 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 17:37:47,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:37:47" (1/1) ... [2018-10-02 17:37:47,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:37:47" (1/1) ... [2018-10-02 17:37:47,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:37:47" (1/1) ... [2018-10-02 17:37:47,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:37:47" (1/1) ... [2018-10-02 17:37:47,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:37:47" (1/1) ... [2018-10-02 17:37:47,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:37:47" (1/1) ... [2018-10-02 17:37:47,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:37:47" (1/1) ... [2018-10-02 17:37:47,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 17:37:47,812 INFO L168 Benchmark]: Toolchain (without parser) took 773.52 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-10-02 17:37:47,819 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-10-02 17:37:47,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.52 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-10-02 17:37:47,824 INFO L168 Benchmark]: Boogie Preprocessor took 95.23 ms. Allocated memory is still 1.9 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-10-02 17:37:47,833 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. * CACSL2BoogieTranslator took 658.52 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 95.23 ms. Allocated memory is still 1.9 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 1.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...