./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test27-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/ldv-regression/test27-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash acf11c3343955f0499bcc1b48ffc03a3b5f3c7a8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/ldv-regression/test27-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash acf11c3343955f0499bcc1b48ffc03a3b5f3c7a8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:05,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:05,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:05,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:05,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:05,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:05,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:05,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:05,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:05,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:05,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:05,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:05,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:05,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:05,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:05,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:05,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:05,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:05,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:05,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:05,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:05,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:05,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:05,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:05,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:05,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:05,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:05,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:05,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:05,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:05,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:05,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:05,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:05,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:05,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:05,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:05,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:05,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:05,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:05,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:05,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:05,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:05,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:05,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:05,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:05,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:05,194 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:05,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:05,195 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:05,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:05,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:05,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:05,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:05,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:05,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:05,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:05,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:05,198 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:05,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:05,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:05,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:05,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:05,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:05,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:05,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:05,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:05,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:05,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:05,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:05,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:05,203 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 -> acf11c3343955f0499bcc1b48ffc03a3b5f3c7a8 [2019-11-27 09:49:05,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:05,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:05,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:05,714 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:05,715 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:05,716 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-27 09:49:05,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72cd26888/46c9b196dc2a4606a07dc9bda585fb9a/FLAG04ce7e683 [2019-11-27 09:49:06,534 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:06,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-27 09:49:06,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72cd26888/46c9b196dc2a4606a07dc9bda585fb9a/FLAG04ce7e683 [2019-11-27 09:49:06,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72cd26888/46c9b196dc2a4606a07dc9bda585fb9a [2019-11-27 09:49:06,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:06,851 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:06,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:06,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:06,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:06,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:06" (1/1) ... [2019-11-27 09:49:06,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b733779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:06, skipping insertion in model container [2019-11-27 09:49:06,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:06" (1/1) ... [2019-11-27 09:49:06,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:06,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:07,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:07,208 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:07,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:07,317 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:07,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07 WrapperNode [2019-11-27 09:49:07,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:07,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:07,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:07,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:07,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:07,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:07,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:07,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:07,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:07,463 INFO L168 Benchmark]: Toolchain (without parser) took 607.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:07,464 INFO L168 Benchmark]: CDTParser took 2.25 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. [2019-11-27 09:49:07,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:07,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.35 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:07,484 INFO L168 Benchmark]: Boogie Preprocessor took 58.40 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:07,491 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.25 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 462.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 78.35 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.40 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. 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-da95e15 [2019-11-27 09:49:10,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:10,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:10,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:10,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:10,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:10,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:10,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:10,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:10,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:10,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:10,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:10,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:10,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:10,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:10,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:10,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:10,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:10,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:10,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:10,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:10,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:10,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:10,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:10,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:10,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:10,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:10,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:10,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:10,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:10,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:10,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:10,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:10,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:10,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:10,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:10,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:10,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:10,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:10,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:10,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:10,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:10,293 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:10,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:10,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:10,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:10,299 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:10,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:10,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:10,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:10,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:10,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:10,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:10,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:10,304 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:10,304 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:10,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:10,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:10,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:10,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:10,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:10,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:10,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:10,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:10,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:10,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:10,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:10,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:10,308 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:10,310 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:10,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:10,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:10,311 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 -> acf11c3343955f0499bcc1b48ffc03a3b5f3c7a8 [2019-11-27 09:49:10,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:10,720 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:10,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:10,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:10,732 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:10,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-27 09:49:10,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67fdd88c/7eec0bae4fcd4eeeaf989ee5efd2a6ab/FLAG6551c810b [2019-11-27 09:49:11,526 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:11,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-27 09:49:11,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67fdd88c/7eec0bae4fcd4eeeaf989ee5efd2a6ab/FLAG6551c810b [2019-11-27 09:49:11,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67fdd88c/7eec0bae4fcd4eeeaf989ee5efd2a6ab [2019-11-27 09:49:11,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:11,858 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:11,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:11,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:11,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:11,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:11" (1/1) ... [2019-11-27 09:49:11,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31604e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:11, skipping insertion in model container [2019-11-27 09:49:11,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:11" (1/1) ... [2019-11-27 09:49:11,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:11,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:12,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:12,242 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:12,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:12,379 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:12,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12 WrapperNode [2019-11-27 09:49:12,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:12,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:12,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:12,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:12,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:12,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:12,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:12,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:12,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:12,527 INFO L168 Benchmark]: Toolchain (without parser) took 665.26 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 989.8 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:12,528 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-27 09:49:12,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:12,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.93 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:12,533 INFO L168 Benchmark]: Boogie Preprocessor took 63.91 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:12,545 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 514.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 75.93 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.91 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...