./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label54.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_label54.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 9ca46dfd9e8b1005ae971e6a551ba171a0d1ab66 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label54.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 9ca46dfd9e8b1005ae971e6a551ba171a0d1ab66 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:50:44,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:50:44,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:50:44,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:50:44,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:50:44,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:50:44,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:50:44,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:50:44,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:50:44,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:50:44,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:50:44,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:50:44,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:50:44,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:50:44,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:50:44,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:50:44,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:50:44,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:50:44,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:50:44,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:50:44,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:50:44,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:50:44,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:50:44,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:50:44,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:50:44,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:50:44,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:50:44,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:50:44,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:50:44,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:50:44,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:50:44,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:50:44,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:50:44,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:50:44,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:50:44,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:50:44,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:50:44,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:50:44,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:50:44,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:50:44,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:50:44,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:50:44,275 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:50:44,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:50:44,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:50:44,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:50:44,283 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:50:44,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:50:44,286 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:50:44,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:50:44,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:50:44,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:50:44,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:50:44,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:50:44,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:50:44,292 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:50:44,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:50:44,294 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:50:44,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:50:44,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:50:44,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:50:44,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:50:44,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:50:44,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:50:44,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:50:44,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:50:44,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:50:44,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:50:44,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:50:44,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:50:44,303 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 -> 9ca46dfd9e8b1005ae971e6a551ba171a0d1ab66 [2019-11-26 16:50:44,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:50:44,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:50:44,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:50:44,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:50:44,952 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:50:44,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label54.c [2019-11-26 16:50:45,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dead7533c/f893489767e342d2948a0bddd326de80/FLAGdd36d1c0c [2019-11-26 16:50:46,778 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:50:46,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label54.c [2019-11-26 16:50:46,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dead7533c/f893489767e342d2948a0bddd326de80/FLAGdd36d1c0c [2019-11-26 16:50:46,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dead7533c/f893489767e342d2948a0bddd326de80 [2019-11-26 16:50:46,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:50:46,903 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:50:46,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:46,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:50:46,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:50:46,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:46" (1/1) ... [2019-11-26 16:50:46,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22abccbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:46, skipping insertion in model container [2019-11-26 16:50:46,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:46" (1/1) ... [2019-11-26 16:50:46,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:50:47,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:50:49,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:49,343 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:50:50,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:50,332 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:50:50,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:50 WrapperNode [2019-11-26 16:50:50,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:50,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:50,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:50:50,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:50:50,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:50" (1/1) ... [2019-11-26 16:50:50,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:50" (1/1) ... [2019-11-26 16:50:51,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:51,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:50:51,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:50:51,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:50:51,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:50" (1/1) ... [2019-11-26 16:50:51,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:50" (1/1) ... [2019-11-26 16:50:51,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:50" (1/1) ... [2019-11-26 16:50:51,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:50" (1/1) ... [2019-11-26 16:50:51,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:50" (1/1) ... [2019-11-26 16:50:51,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:50" (1/1) ... [2019-11-26 16:50:51,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:50" (1/1) ... [2019-11-26 16:50:51,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:50:51,816 INFO L168 Benchmark]: Toolchain (without parser) took 4907.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 776.0 MB in the end (delta: 179.9 MB). Peak memory consumption was 180.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:51,817 INFO L168 Benchmark]: CDTParser took 1.46 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 16:50:51,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3431.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 873.9 MB in the end (delta: 76.3 MB). Peak memory consumption was 76.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:51,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 737.46 ms. Allocated memory is still 1.0 GB. Free memory was 873.9 MB in the beginning and 810.9 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:51,828 INFO L168 Benchmark]: Boogie Preprocessor took 729.39 ms. Allocated memory is still 1.0 GB. Free memory was 810.9 MB in the beginning and 776.0 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:51,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 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 3431.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 873.9 MB in the end (delta: 76.3 MB). Peak memory consumption was 76.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 737.46 ms. Allocated memory is still 1.0 GB. Free memory was 873.9 MB in the beginning and 810.9 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 729.39 ms. Allocated memory is still 1.0 GB. Free memory was 810.9 MB in the beginning and 776.0 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 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 16:50:55,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:50:55,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:50:55,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:50:55,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:50:55,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:50:55,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:50:55,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:50:55,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:50:55,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:50:55,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:50:55,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:50:55,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:50:55,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:50:55,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:50:55,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:50:55,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:50:55,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:50:55,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:50:55,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:50:55,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:50:55,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:50:55,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:50:55,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:50:55,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:50:55,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:50:55,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:50:55,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:50:55,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:50:55,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:50:55,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:50:55,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:50:55,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:50:55,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:50:55,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:50:55,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:50:55,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:50:55,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:50:55,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:50:55,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:50:55,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:50:55,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:50:56,021 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:50:56,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:50:56,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:50:56,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:50:56,028 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:50:56,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:50:56,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:50:56,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:50:56,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:50:56,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:50:56,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:50:56,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:50:56,034 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:50:56,035 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:50:56,035 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:50:56,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:50:56,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:50:56,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:50:56,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:50:56,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:50:56,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:50:56,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:50:56,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:50:56,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:50:56,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:50:56,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:50:56,041 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:50:56,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:50:56,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:50:56,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:50:56,045 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 -> 9ca46dfd9e8b1005ae971e6a551ba171a0d1ab66 [2019-11-26 16:50:56,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:50:56,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:50:56,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:50:56,644 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:50:56,645 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:50:56,647 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label54.c [2019-11-26 16:50:56,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2686a27a9/aa8c92805bd542cc9925ba61b992eee8/FLAGa1979cbe5 [2019-11-26 16:50:58,404 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:50:58,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label54.c [2019-11-26 16:50:58,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2686a27a9/aa8c92805bd542cc9925ba61b992eee8/FLAGa1979cbe5 [2019-11-26 16:50:58,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2686a27a9/aa8c92805bd542cc9925ba61b992eee8 [2019-11-26 16:50:58,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:50:58,536 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:50:58,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:58,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:50:58,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:50:58,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:58" (1/1) ... [2019-11-26 16:50:58,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:58, skipping insertion in model container [2019-11-26 16:50:58,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:58" (1/1) ... [2019-11-26 16:50:58,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:50:58,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:51:01,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:01,303 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:51:02,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:02,494 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:51:02,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:02 WrapperNode [2019-11-26 16:51:02,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:02,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:02,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:51:02,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:51:02,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:02" (1/1) ... [2019-11-26 16:51:02,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:02" (1/1) ... [2019-11-26 16:51:02,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:02,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:51:02,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:51:02,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:51:02,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:02" (1/1) ... [2019-11-26 16:51:02,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:02" (1/1) ... [2019-11-26 16:51:02,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:02" (1/1) ... [2019-11-26 16:51:02,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:02" (1/1) ... [2019-11-26 16:51:03,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:02" (1/1) ... [2019-11-26 16:51:03,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:02" (1/1) ... [2019-11-26 16:51:03,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:02" (1/1) ... [2019-11-26 16:51:03,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:51:03,341 INFO L168 Benchmark]: Toolchain (without parser) took 4799.91 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 787.8 MB in the end (delta: 168.2 MB). Peak memory consumption was 168.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:03,342 INFO L168 Benchmark]: CDTParser took 1.99 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 16:51:03,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3958.65 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 827.9 MB in the end (delta: 128.1 MB). Peak memory consumption was 128.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:03,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 395.67 ms. Allocated memory is still 1.0 GB. Free memory was 827.9 MB in the beginning and 805.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:03,351 INFO L168 Benchmark]: Boogie Preprocessor took 438.06 ms. Allocated memory is still 1.0 GB. Free memory was 805.0 MB in the beginning and 787.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:03,361 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.99 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 3958.65 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 827.9 MB in the end (delta: 128.1 MB). Peak memory consumption was 128.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 395.67 ms. Allocated memory is still 1.0 GB. Free memory was 827.9 MB in the beginning and 805.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 438.06 ms. Allocated memory is still 1.0 GB. Free memory was 805.0 MB in the beginning and 787.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...