./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/invert_string-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/AutomizerReach.xml -i ../sv-benchmarks/c/loops/invert_string-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4335483d0b28de4d854f33f949d3555a767d1bde ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/AutomizerReach.xml -i ../sv-benchmarks/c/loops/invert_string-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4335483d0b28de4d854f33f949d3555a767d1bde .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:03:08,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:08,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:08,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:08,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:08,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:08,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:08,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:08,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:08,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:08,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:08,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:08,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:08,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:08,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:08,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:08,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:08,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:08,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:08,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:08,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:08,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:08,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:08,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:08,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:08,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:08,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:08,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:08,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:08,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:08,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:08,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:08,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:08,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:08,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:08,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:08,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:08,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:08,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:08,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:08,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:08,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:03:08,829 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:08,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:08,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:08,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:08,837 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:08,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:08,838 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:08,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:03:08,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:08,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:08,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:08,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:08,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:08,845 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:08,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:08,846 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:08,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:08,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:08,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:08,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:08,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:08,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:08,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:08,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:08,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:08,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:03:08,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:03:08,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:08,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4335483d0b28de4d854f33f949d3555a767d1bde [2019-11-26 17:03:09,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:09,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:09,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:09,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:09,465 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:09,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-1.c [2019-11-26 17:03:09,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92bb0e05c/b7fd62a3bdeb4793b1a55a7907a1fa85/FLAG2cf3140b7 [2019-11-26 17:03:10,684 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:10,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-1.c [2019-11-26 17:03:10,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92bb0e05c/b7fd62a3bdeb4793b1a55a7907a1fa85/FLAG2cf3140b7 [2019-11-26 17:03:10,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92bb0e05c/b7fd62a3bdeb4793b1a55a7907a1fa85 [2019-11-26 17:03:10,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:10,750 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:10,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:10,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:10,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:10,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:10" (1/1) ... [2019-11-26 17:03:10,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e45741f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:10, skipping insertion in model container [2019-11-26 17:03:10,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:10" (1/1) ... [2019-11-26 17:03:10,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:10,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:11,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:11,260 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:11,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:11,417 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:11,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:11 WrapperNode [2019-11-26 17:03:11,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:11,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:11,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:11,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:11,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:11" (1/1) ... [2019-11-26 17:03:11,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:11" (1/1) ... [2019-11-26 17:03:11,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:11,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:11,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:11,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:11,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:11" (1/1) ... [2019-11-26 17:03:11,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:11" (1/1) ... [2019-11-26 17:03:11,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:11" (1/1) ... [2019-11-26 17:03:11,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:11" (1/1) ... [2019-11-26 17:03:11,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:11" (1/1) ... [2019-11-26 17:03:11,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:11" (1/1) ... [2019-11-26 17:03:11,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:11" (1/1) ... [2019-11-26 17:03:11,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:11,579 INFO L168 Benchmark]: Toolchain (without parser) took 821.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:11,581 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:11,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:11,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.42 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:11,599 INFO L168 Benchmark]: Boogie Preprocessor took 62.47 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:11,608 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 666.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 80.42 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.47 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:03:15,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:15,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:15,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:15,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:15,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:15,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:15,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:15,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:15,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:15,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:15,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:15,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:15,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:15,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:15,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:15,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:15,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:15,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:15,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:15,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:15,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:15,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:15,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:15,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:15,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:15,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:15,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:15,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:15,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:15,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:15,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:15,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:15,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:15,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:15,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:15,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:15,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:15,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:15,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:15,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:15,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:03:15,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:15,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:15,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:15,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:15,519 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:15,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:15,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:15,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:15,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:15,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:15,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:15,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:15,523 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:03:15,525 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:03:15,526 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:15,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:15,526 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:15,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:15,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:15,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:15,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:15,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:15,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:15,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:15,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:15,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:15,533 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:03:15,533 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:03:15,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:15,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:03:15,538 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4335483d0b28de4d854f33f949d3555a767d1bde [2019-11-26 17:03:16,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:16,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:16,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:16,193 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:16,194 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:16,198 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-1.c [2019-11-26 17:03:16,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aef05e5db/5054f157e82940b29ca633236f6bfd94/FLAGe148dbb40 [2019-11-26 17:03:17,396 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:17,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-1.c [2019-11-26 17:03:17,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aef05e5db/5054f157e82940b29ca633236f6bfd94/FLAGe148dbb40 [2019-11-26 17:03:17,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aef05e5db/5054f157e82940b29ca633236f6bfd94 [2019-11-26 17:03:17,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:17,683 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:17,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:17,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:17,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:17,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:17" (1/1) ... [2019-11-26 17:03:17,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:17, skipping insertion in model container [2019-11-26 17:03:17,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:17" (1/1) ... [2019-11-26 17:03:17,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:17,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:18,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:18,236 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:18,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:18,452 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:18,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:18 WrapperNode [2019-11-26 17:03:18,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:18,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:18,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:18,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:18,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:18" (1/1) ... [2019-11-26 17:03:18,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:18" (1/1) ... [2019-11-26 17:03:18,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:18,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:18,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:18,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:18,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:18" (1/1) ... [2019-11-26 17:03:18,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:18" (1/1) ... [2019-11-26 17:03:18,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:18" (1/1) ... [2019-11-26 17:03:18,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:18" (1/1) ... [2019-11-26 17:03:18,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:18" (1/1) ... [2019-11-26 17:03:18,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:18" (1/1) ... [2019-11-26 17:03:18,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:18" (1/1) ... [2019-11-26 17:03:18,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:18,629 INFO L168 Benchmark]: Toolchain (without parser) took 939.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:18,630 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:18,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:18,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.92 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:18,637 INFO L168 Benchmark]: Boogie Preprocessor took 80.75 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:18,655 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 771.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 79.92 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 80.75 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...