./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label47.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/Problem17_label47.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 74bab004da4a5f190893ac003f0a461276afc58a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem17_label47.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 74bab004da4a5f190893ac003f0a461276afc58a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:50:40,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:50:40,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:50:40,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:50:40,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:50:40,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:50:40,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:50:40,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:50:40,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:50:40,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:50:40,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:50:40,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:50:40,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:50:40,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:50:40,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:50:40,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:50:40,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:50:40,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:50:40,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:50:40,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:50:40,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:50:40,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:50:40,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:50:40,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:50:40,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:50:40,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:50:40,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:50:40,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:50:40,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:50:40,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:50:40,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:50:40,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:50:40,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:50:40,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:50:40,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:50:40,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:50:40,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:50:40,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:50:40,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:50:40,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:50:40,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:50:40,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:50:40,599 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:50:40,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:50:40,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:50:40,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:50:40,608 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:50:40,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:50:40,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:50:40,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:50:40,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:50:40,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:50:40,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:50:40,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:50:40,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:50:40,614 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:50:40,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:50:40,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:50:40,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:50:40,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:50:40,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:50:40,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:50:40,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:50:40,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:50:40,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:50:40,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:50:40,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:50:40,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:50:40,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:50:40,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:50:40,623 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 -> 74bab004da4a5f190893ac003f0a461276afc58a [2019-11-26 16:50:41,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:50:41,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:50:41,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:50:41,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:50:41,245 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:50:41,246 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label47.c [2019-11-26 16:50:41,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83dc77fe6/78f39495909d4d8080cd496e2af7a7c8/FLAG3abfdab1a [2019-11-26 16:50:42,996 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:50:43,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label47.c [2019-11-26 16:50:43,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83dc77fe6/78f39495909d4d8080cd496e2af7a7c8/FLAG3abfdab1a [2019-11-26 16:50:43,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83dc77fe6/78f39495909d4d8080cd496e2af7a7c8 [2019-11-26 16:50:43,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:50:43,113 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:50:43,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:43,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:50:43,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:50:43,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:43" (1/1) ... [2019-11-26 16:50:43,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:43, skipping insertion in model container [2019-11-26 16:50:43,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:43" (1/1) ... [2019-11-26 16:50:43,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:50:43,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:50:45,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:45,394 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:50:46,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:46,447 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:50:46,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:46 WrapperNode [2019-11-26 16:50:46,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:46,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:46,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:50:46,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:50:46,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:46" (1/1) ... [2019-11-26 16:50:46,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:46" (1/1) ... [2019-11-26 16:50:47,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:47,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:50:47,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:50:47,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:50:47,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:46" (1/1) ... [2019-11-26 16:50:47,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:46" (1/1) ... [2019-11-26 16:50:47,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:46" (1/1) ... [2019-11-26 16:50:47,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:46" (1/1) ... [2019-11-26 16:50:47,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:46" (1/1) ... [2019-11-26 16:50:47,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:46" (1/1) ... [2019-11-26 16:50:47,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:46" (1/1) ... [2019-11-26 16:50:47,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:50:47,843 INFO L168 Benchmark]: Toolchain (without parser) took 4725.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 781.9 MB in the end (delta: 174.1 MB). Peak memory consumption was 174.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:47,846 INFO L168 Benchmark]: CDTParser took 1.67 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 16:50:47,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3331.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 873.8 MB in the end (delta: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:47,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 675.39 ms. Allocated memory is still 1.0 GB. Free memory was 873.8 MB in the beginning and 816.3 MB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:47,854 INFO L168 Benchmark]: Boogie Preprocessor took 709.16 ms. Allocated memory is still 1.0 GB. Free memory was 816.3 MB in the beginning and 781.9 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:47,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67 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 3331.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 873.8 MB in the end (delta: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 675.39 ms. Allocated memory is still 1.0 GB. Free memory was 873.8 MB in the beginning and 816.3 MB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 709.16 ms. Allocated memory is still 1.0 GB. Free memory was 816.3 MB in the beginning and 781.9 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 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 16:50:51,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:50:51,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:50:51,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:50:51,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:50:51,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:50:51,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:50:51,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:50:51,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:50:51,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:50:51,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:50:51,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:50:51,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:50:51,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:50:51,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:50:51,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:50:51,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:50:51,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:50:51,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:50:51,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:50:51,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:50:51,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:50:51,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:50:51,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:50:51,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:50:51,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:50:51,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:50:51,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:50:51,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:50:51,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:50:51,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:50:51,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:50:51,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:50:51,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:50:51,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:50:51,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:50:51,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:50:51,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:50:51,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:50:51,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:50:51,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:50:51,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:50:51,953 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:50:51,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:50:51,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:50:51,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:50:51,960 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:50:51,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:50:51,963 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:50:51,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:50:51,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:50:51,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:50:51,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:50:51,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:50:51,965 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:50:51,966 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:50:51,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:50:51,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:50:51,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:50:51,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:50:51,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:50:51,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:50:51,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:50:51,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:50:51,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:50:51,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:50:51,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:50:51,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:50:51,974 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:50:51,974 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:50:51,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:50:51,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:50:51,977 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 -> 74bab004da4a5f190893ac003f0a461276afc58a [2019-11-26 16:50:52,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:50:52,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:50:52,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:50:52,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:50:52,636 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:50:52,639 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label47.c [2019-11-26 16:50:52,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c560c0d/8f52705a798742dc99a25ed667222577/FLAG71eff40d6 [2019-11-26 16:50:54,325 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:50:54,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label47.c [2019-11-26 16:50:54,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c560c0d/8f52705a798742dc99a25ed667222577/FLAG71eff40d6 [2019-11-26 16:50:54,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c560c0d/8f52705a798742dc99a25ed667222577 [2019-11-26 16:50:54,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:50:54,429 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:50:54,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:54,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:50:54,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:50:54,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:54" (1/1) ... [2019-11-26 16:50:54,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:54, skipping insertion in model container [2019-11-26 16:50:54,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:54" (1/1) ... [2019-11-26 16:50:54,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:50:54,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:50:57,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:57,170 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:50:58,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:58,447 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:50:58,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:58 WrapperNode [2019-11-26 16:50:58,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:58,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:58,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:50:58,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:50:58,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:58" (1/1) ... [2019-11-26 16:50:58,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:58" (1/1) ... [2019-11-26 16:50:58,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:58,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:50:58,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:50:58,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:50:58,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:58" (1/1) ... [2019-11-26 16:50:58,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:58" (1/1) ... [2019-11-26 16:50:58,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:58" (1/1) ... [2019-11-26 16:50:58,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:58" (1/1) ... [2019-11-26 16:50:59,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:58" (1/1) ... [2019-11-26 16:50:59,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:58" (1/1) ... [2019-11-26 16:50:59,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:58" (1/1) ... [2019-11-26 16:50:59,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:50:59,322 INFO L168 Benchmark]: Toolchain (without parser) took 4888.33 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 782.1 MB in the end (delta: 179.6 MB). Peak memory consumption was 179.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:59,323 INFO L168 Benchmark]: CDTParser took 0.37 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 16:50:59,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4017.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 822.3 MB in the end (delta: 133.6 MB). Peak memory consumption was 133.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:59,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 388.56 ms. Allocated memory is still 1.0 GB. Free memory was 822.3 MB in the beginning and 799.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:59,334 INFO L168 Benchmark]: Boogie Preprocessor took 472.90 ms. Allocated memory is still 1.0 GB. Free memory was 799.4 MB in the beginning and 782.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:59,344 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 4017.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 822.3 MB in the end (delta: 133.6 MB). Peak memory consumption was 133.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 388.56 ms. Allocated memory is still 1.0 GB. Free memory was 822.3 MB in the beginning and 799.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 472.90 ms. Allocated memory is still 1.0 GB. Free memory was 799.4 MB in the beginning and 782.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...