java -ea -Xmx4000000000 -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/loops/invert_string_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-fe202a8 [2018-11-19 09:59:01,714 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-19 09:59:01,722 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-19 09:59:01,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-19 09:59:01,753 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-19 09:59:01,754 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-19 09:59:01,763 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-19 09:59:01,767 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-19 09:59:01,772 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-19 09:59:01,777 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-19 09:59:01,778 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-19 09:59:01,778 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-19 09:59:01,784 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-19 09:59:01,785 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-19 09:59:01,794 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-19 09:59:01,795 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-19 09:59:01,796 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-19 09:59:01,809 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-19 09:59:01,813 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-19 09:59:01,822 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-19 09:59:01,823 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-19 09:59:01,831 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-19 09:59:01,837 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-19 09:59:01,861 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-19 09:59:01,861 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-19 09:59:01,865 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-19 09:59:01,866 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-19 09:59:01,870 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 [2018-11-19 09:59:01,918 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-19 09:59:01,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-19 09:59:01,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-19 09:59:01,920 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-19 09:59:01,923 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-19 09:59:01,923 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-19 09:59:01,923 INFO L133 SettingsManager]: * Use SBE=true [2018-11-19 09:59:01,926 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-19 09:59:01,926 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-19 09:59:01,926 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-19 09:59:01,927 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-19 09:59:01,927 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-19 09:59:01,927 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-19 09:59:01,927 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-19 09:59:01,930 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-19 09:59:01,930 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-19 09:59:01,930 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-19 09:59:01,930 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-19 09:59:01,931 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-19 09:59:01,931 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-19 09:59:01,931 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-19 09:59:01,931 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-19 09:59:01,936 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-19 09:59:01,936 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-19 09:59:01,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-19 09:59:01,937 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-19 09:59:01,937 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-19 09:59:01,937 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-19 09:59:01,938 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-19 09:59:01,938 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-19 09:59:01,938 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-19 09:59:01,938 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-19 09:59:01,938 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-19 09:59:02,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-19 09:59:02,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-19 09:59:02,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-19 09:59:02,110 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-19 09:59:02,110 INFO L276 PluginConnector]: CDTParser initialized [2018-11-19 09:59:02,114 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string_false-unreach-call_true-termination.i [2018-11-19 09:59:02,251 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8f5992fb/5f5bc4242cc84d6d9ab372e9f77888c1/FLAGf6b80c664 [2018-11-19 09:59:03,231 INFO L307 CDTParser]: Found 1 translation units. [2018-11-19 09:59:03,232 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string_false-unreach-call_true-termination.i [2018-11-19 09:59:03,242 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8f5992fb/5f5bc4242cc84d6d9ab372e9f77888c1/FLAGf6b80c664 [2018-11-19 09:59:03,437 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8f5992fb/5f5bc4242cc84d6d9ab372e9f77888c1 [2018-11-19 09:59:03,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-19 09:59:03,454 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-19 09:59:03,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-19 09:59:03,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-19 09:59:03,472 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-19 09:59:03,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:59:03" (1/1) ... [2018-11-19 09:59:03,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545c8693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:03, skipping insertion in model container [2018-11-19 09:59:03,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:59:03" (1/1) ... [2018-11-19 09:59:03,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-19 09:59:03,572 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-19 09:59:04,139 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-19 09:59:04,157 INFO L191 MainTranslator]: Completed pre-run [2018-11-19 09:59:04,227 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-19 09:59:04,299 INFO L195 MainTranslator]: Completed translation [2018-11-19 09:59:04,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:04 WrapperNode [2018-11-19 09:59:04,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-19 09:59:04,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-19 09:59:04,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-19 09:59:04,305 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-19 09:59:04,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:04" (1/1) ... [2018-11-19 09:59:04,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:04" (1/1) ... [2018-11-19 09:59:04,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:04" (1/1) ... [2018-11-19 09:59:04,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:04" (1/1) ... [2018-11-19 09:59:04,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:04" (1/1) ... [2018-11-19 09:59:04,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:04" (1/1) ... [2018-11-19 09:59:04,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:04" (1/1) ... [2018-11-19 09:59:04,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-19 09:59:04,463 INFO L168 Benchmark]: Toolchain (without parser) took 1006.00 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. [2018-11-19 09:59:04,469 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-19 09:59:04,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.13 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. [2018-11-19 09:59:04,472 INFO L168 Benchmark]: Boogie Preprocessor took 150.20 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-19 09:59:04,487 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 0.29 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. * CACSL2BoogieTranslator took 847.13 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 150.20 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...