./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem06_label52.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/eca-rers2012/Problem06_label52.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 7fe960f102f13a0736a93d3696b74083efee19f5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem06_label52.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 7fe960f102f13a0736a93d3696b74083efee19f5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:38:01,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:38:01,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:38:01,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:38:01,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:38:01,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:38:01,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:38:01,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:38:01,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:38:01,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:38:01,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:38:01,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:38:01,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:38:01,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:38:01,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:38:01,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:38:01,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:38:01,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:38:01,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:38:01,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:38:01,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:38:01,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:38:01,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:38:01,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:38:01,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:38:01,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:38:01,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:38:01,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:38:01,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:38:01,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:38:01,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:38:01,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:38:01,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:38:01,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:38:01,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:38:01,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:38:01,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:38:01,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:38:01,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:38:01,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:38:01,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:38:01,803 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:38:01,841 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:38:01,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:38:01,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:38:01,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:38:01,849 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:38:01,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:38:01,851 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:38:01,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:38:01,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:38:01,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:38:01,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:38:01,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:38:01,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:38:01,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:38:01,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:38:01,857 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:38:01,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:38:01,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:38:01,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:38:01,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:38:01,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:38:01,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:38:01,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:38:01,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:38:01,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:38:01,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:38:01,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:38:01,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:38:01,866 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 -> 7fe960f102f13a0736a93d3696b74083efee19f5 [2019-11-26 16:38:02,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:38:02,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:38:02,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:38:02,441 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:38:02,444 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:38:02,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem06_label52.c [2019-11-26 16:38:02,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df065958f/55cb5b1d4b334e02b4f61633674b529a/FLAG3750b49e3 [2019-11-26 16:38:04,465 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:38:04,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem06_label52.c [2019-11-26 16:38:04,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df065958f/55cb5b1d4b334e02b4f61633674b529a/FLAG3750b49e3 [2019-11-26 16:38:04,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df065958f/55cb5b1d4b334e02b4f61633674b529a [2019-11-26 16:38:04,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:38:04,633 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:38:04,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:38:04,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:38:04,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:38:04,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:38:04" (1/1) ... [2019-11-26 16:38:04,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:04, skipping insertion in model container [2019-11-26 16:38:04,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:38:04" (1/1) ... [2019-11-26 16:38:04,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:38:05,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:38:09,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:38:09,640 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:38:12,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:38:12,849 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:38:12,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:12 WrapperNode [2019-11-26 16:38:12,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:38:12,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:38:12,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:38:12,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:38:12,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:12" (1/1) ... [2019-11-26 16:38:13,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:12" (1/1) ... [2019-11-26 16:38:13,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:38:13,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:38:13,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:38:13,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:38:13,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:12" (1/1) ... [2019-11-26 16:38:13,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:12" (1/1) ... [2019-11-26 16:38:13,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:12" (1/1) ... [2019-11-26 16:38:13,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:12" (1/1) ... [2019-11-26 16:38:14,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:12" (1/1) ... [2019-11-26 16:38:14,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:12" (1/1) ... [2019-11-26 16:38:14,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:12" (1/1) ... [2019-11-26 16:38:14,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:38:14,362 INFO L168 Benchmark]: Toolchain (without parser) took 9723.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 781.3 MB in the end (delta: 151.7 MB). Peak memory consumption was 151.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:38:14,363 INFO L168 Benchmark]: CDTParser took 1.39 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 16:38:14,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8215.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 906.7 MB in the end (delta: 26.3 MB). Peak memory consumption was 273.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:38:14,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 720.84 ms. Allocated memory is still 1.0 GB. Free memory was 906.7 MB in the beginning and 832.6 MB in the end (delta: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:38:14,371 INFO L168 Benchmark]: Boogie Preprocessor took 777.10 ms. Allocated memory is still 1.0 GB. Free memory was 832.6 MB in the beginning and 781.3 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:38:14,385 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 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 8215.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 906.7 MB in the end (delta: 26.3 MB). Peak memory consumption was 273.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 720.84 ms. Allocated memory is still 1.0 GB. Free memory was 906.7 MB in the beginning and 832.6 MB in the end (delta: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 777.10 ms. Allocated memory is still 1.0 GB. Free memory was 832.6 MB in the beginning and 781.3 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 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 16:38:18,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:38:18,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:38:18,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:38:18,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:38:18,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:38:18,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:38:18,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:38:18,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:38:18,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:38:18,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:38:18,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:38:18,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:38:18,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:38:18,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:38:18,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:38:18,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:38:18,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:38:18,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:38:18,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:38:18,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:38:18,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:38:18,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:38:18,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:38:18,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:38:18,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:38:18,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:38:18,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:38:18,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:38:18,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:38:18,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:38:18,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:38:18,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:38:18,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:38:18,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:38:18,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:38:18,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:38:18,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:38:18,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:38:18,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:38:18,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:38:18,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:38:18,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:38:18,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:38:18,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:38:18,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:38:18,528 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:38:18,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:38:18,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:38:18,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:38:18,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:38:18,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:38:18,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:38:18,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:38:18,532 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:38:18,533 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:38:18,536 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:38:18,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:38:18,536 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:38:18,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:38:18,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:38:18,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:38:18,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:38:18,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:38:18,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:38:18,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:38:18,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:38:18,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:38:18,541 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:38:18,542 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:38:18,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:38:18,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:38:18,544 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 -> 7fe960f102f13a0736a93d3696b74083efee19f5 [2019-11-26 16:38:19,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:38:19,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:38:19,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:38:19,111 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:38:19,114 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:38:19,119 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem06_label52.c [2019-11-26 16:38:19,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee96f65a5/09540be776934b2cb34a39b5e7bfe6a7/FLAG6fa6b5c6b [2019-11-26 16:38:21,191 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:38:21,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem06_label52.c [2019-11-26 16:38:21,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee96f65a5/09540be776934b2cb34a39b5e7bfe6a7/FLAG6fa6b5c6b [2019-11-26 16:38:21,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee96f65a5/09540be776934b2cb34a39b5e7bfe6a7 [2019-11-26 16:38:21,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:38:21,449 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:38:21,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:38:21,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:38:21,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:38:21,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:38:21" (1/1) ... [2019-11-26 16:38:21,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143e0c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:21, skipping insertion in model container [2019-11-26 16:38:21,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:38:21" (1/1) ... [2019-11-26 16:38:21,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:38:21,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:38:26,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:38:26,446 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:38:28,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:38:29,169 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:38:29,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:29 WrapperNode [2019-11-26 16:38:29,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:38:29,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:38:29,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:38:29,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:38:29,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:29" (1/1) ... [2019-11-26 16:38:29,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:29" (1/1) ... [2019-11-26 16:38:29,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:38:29,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:38:29,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:38:29,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:38:29,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:29" (1/1) ... [2019-11-26 16:38:29,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:29" (1/1) ... [2019-11-26 16:38:30,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:29" (1/1) ... [2019-11-26 16:38:30,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:29" (1/1) ... [2019-11-26 16:38:30,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:29" (1/1) ... [2019-11-26 16:38:30,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:29" (1/1) ... [2019-11-26 16:38:30,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:38:29" (1/1) ... [2019-11-26 16:38:30,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:38:30,680 INFO L168 Benchmark]: Toolchain (without parser) took 9227.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 934.4 MB in the beginning and 807.5 MB in the end (delta: 126.8 MB). Peak memory consumption was 126.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:38:30,681 INFO L168 Benchmark]: CDTParser took 0.48 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 16:38:30,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7716.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 934.4 MB in the beginning and 933.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 282.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:38:30,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 751.82 ms. Allocated memory is still 1.0 GB. Free memory was 933.3 MB in the beginning and 858.4 MB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:38:30,692 INFO L168 Benchmark]: Boogie Preprocessor took 743.78 ms. Allocated memory is still 1.0 GB. Free memory was 858.4 MB in the beginning and 807.5 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:38:30,701 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 7716.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 934.4 MB in the beginning and 933.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 282.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 751.82 ms. Allocated memory is still 1.0 GB. Free memory was 933.3 MB in the beginning and 858.4 MB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 743.78 ms. Allocated memory is still 1.0 GB. Free memory was 858.4 MB in the beginning and 807.5 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...