./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/eca-rers2012/Problem01_label26.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 e002fb6463a65ebb6b75b40986db95c31112380a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/eca-rers2012/Problem01_label26.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 e002fb6463a65ebb6b75b40986db95c31112380a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:25:37,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:25:37,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:25:37,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:25:37,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:25:37,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:25:37,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:25:37,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:25:37,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:25:37,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:25:37,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:25:37,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:25:37,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:25:37,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:25:37,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:25:37,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:25:37,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:25:37,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:25:37,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:25:37,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:25:37,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:25:37,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:25:37,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:25:37,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:25:37,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:25:37,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:25:37,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:25:37,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:25:37,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:25:37,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:25:37,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:25:37,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:25:37,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:25:37,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:25:37,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:25:37,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:25:37,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:25:37,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:25:37,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:25:37,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:25:37,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:25:37,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:25:37,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:25:37,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:25:37,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:25:37,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:25:37,803 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:25:37,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:25:37,806 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:25:37,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:25:37,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:25:37,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:25:37,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:25:37,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:25:37,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:25:37,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:25:37,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:25:37,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:25:37,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:25:37,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:25:37,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:25:37,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:25:37,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:25:37,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:25:37,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:25:37,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:25:37,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:25:37,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:25:37,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:25:37,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:25:37,818 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 -> e002fb6463a65ebb6b75b40986db95c31112380a [2019-11-25 22:25:38,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:25:38,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:25:38,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:25:38,487 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:25:38,491 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:25:38,493 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label26.c [2019-11-25 22:25:38,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c961e0cd/12178f9396fb4e1e8701f00127f6b7db/FLAG0be4c0220 [2019-11-25 22:25:39,929 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:25:39,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label26.c [2019-11-25 22:25:39,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c961e0cd/12178f9396fb4e1e8701f00127f6b7db/FLAG0be4c0220 [2019-11-25 22:25:40,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c961e0cd/12178f9396fb4e1e8701f00127f6b7db [2019-11-25 22:25:40,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:25:40,022 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:25:40,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:25:40,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:25:40,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:25:40,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:25:40" (1/1) ... [2019-11-25 22:25:40,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:40, skipping insertion in model container [2019-11-25 22:25:40,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:25:40" (1/1) ... [2019-11-25 22:25:40,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:25:40,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:25:41,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:25:41,270 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:25:41,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:25:41,604 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:25:41,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:41 WrapperNode [2019-11-25 22:25:41,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:25:41,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:25:41,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:25:41,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:25:41,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:41" (1/1) ... [2019-11-25 22:25:41,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:41" (1/1) ... [2019-11-25 22:25:41,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:25:41,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:25:41,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:25:41,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:25:41,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:41" (1/1) ... [2019-11-25 22:25:41,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:41" (1/1) ... [2019-11-25 22:25:41,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:41" (1/1) ... [2019-11-25 22:25:41,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:41" (1/1) ... [2019-11-25 22:25:41,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:41" (1/1) ... [2019-11-25 22:25:41,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:41" (1/1) ... [2019-11-25 22:25:41,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:41" (1/1) ... [2019-11-25 22:25:42,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:25:42,042 INFO L168 Benchmark]: Toolchain (without parser) took 2008.67 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 961.6 MB in the end (delta: 68.2 kB). Peak memory consumption was 133.7 kB. Max. memory is 12.5 GB. [2019-11-25 22:25:42,044 INFO L168 Benchmark]: CDTParser took 0.36 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. [2019-11-25 22:25:42,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1583.85 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 973.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:42,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.08 ms. Allocated memory is still 1.0 GB. Free memory was 973.1 MB in the beginning and 967.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:42,057 INFO L168 Benchmark]: Boogie Preprocessor took 197.13 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:42,074 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1583.85 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 973.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 220.08 ms. Allocated memory is still 1.0 GB. Free memory was 973.1 MB in the beginning and 967.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 197.13 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.6 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 0.1.24-65d6cd2 [2019-11-25 22:25:45,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:25:45,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:25:45,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:25:45,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:25:45,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:25:45,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:25:45,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:25:45,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:25:45,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:25:45,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:25:45,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:25:45,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:25:45,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:25:45,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:25:45,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:25:45,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:25:45,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:25:46,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:25:46,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:25:46,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:25:46,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:25:46,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:25:46,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:25:46,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:25:46,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:25:46,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:25:46,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:25:46,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:25:46,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:25:46,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:25:46,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:25:46,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:25:46,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:25:46,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:25:46,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:25:46,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:25:46,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:25:46,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:25:46,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:25:46,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:25:46,087 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:25:46,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:25:46,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:25:46,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:25:46,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:25:46,132 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:25:46,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:25:46,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:25:46,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:25:46,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:25:46,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:25:46,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:25:46,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:25:46,138 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:25:46,140 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:25:46,140 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:25:46,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:25:46,141 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:25:46,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:25:46,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:25:46,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:25:46,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:25:46,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:25:46,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:25:46,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:25:46,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:25:46,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:25:46,147 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:25:46,147 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:25:46,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:25:46,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:25:46,151 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 -> e002fb6463a65ebb6b75b40986db95c31112380a [2019-11-25 22:25:46,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:25:46,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:25:46,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:25:46,751 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:25:46,751 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:25:46,753 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label26.c [2019-11-25 22:25:46,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/375a3868a/a445aa1bfd334465812c9cd879408234/FLAGa628f52ed [2019-11-25 22:25:48,184 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:25:48,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label26.c [2019-11-25 22:25:48,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/375a3868a/a445aa1bfd334465812c9cd879408234/FLAGa628f52ed [2019-11-25 22:25:48,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/375a3868a/a445aa1bfd334465812c9cd879408234 [2019-11-25 22:25:48,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:25:48,242 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:25:48,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:25:48,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:25:48,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:25:48,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:25:48" (1/1) ... [2019-11-25 22:25:48,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:48, skipping insertion in model container [2019-11-25 22:25:48,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:25:48" (1/1) ... [2019-11-25 22:25:48,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:25:48,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:25:49,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:25:49,387 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:25:49,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:25:49,709 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:25:49,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:49 WrapperNode [2019-11-25 22:25:49,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:25:49,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:25:49,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:25:49,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:25:49,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:49" (1/1) ... [2019-11-25 22:25:49,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:49" (1/1) ... [2019-11-25 22:25:49,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:25:49,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:25:49,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:25:49,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:25:49,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:49" (1/1) ... [2019-11-25 22:25:49,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:49" (1/1) ... [2019-11-25 22:25:49,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:49" (1/1) ... [2019-11-25 22:25:49,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:49" (1/1) ... [2019-11-25 22:25:50,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:49" (1/1) ... [2019-11-25 22:25:50,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:49" (1/1) ... [2019-11-25 22:25:50,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:49" (1/1) ... [2019-11-25 22:25:50,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:25:50,124 INFO L168 Benchmark]: Toolchain (without parser) took 1878.05 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 955.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:50,126 INFO L168 Benchmark]: CDTParser took 4.65 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. [2019-11-25 22:25:50,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1461.31 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 966.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:50,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.36 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:50,137 INFO L168 Benchmark]: Boogie Preprocessor took 192.39 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 955.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:50,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.65 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 1461.31 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 966.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 212.36 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.39 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 955.0 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...