./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test26-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test26-2.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 e02278ee7d9986faf1ae0635ee11725f823e79f3 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/test26-2.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 e02278ee7d9986faf1ae0635ee11725f823e79f3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:03,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:03,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:03,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:03,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:03,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:03,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:03,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:03,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:03,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:03,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:03,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:03,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:03,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:03,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:03,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:03,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:03,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:03,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:03,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:03,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:03,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:03,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:03,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:03,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:03,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:03,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:03,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:03,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:03,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:03,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:03,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:03,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:03,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:03,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:03,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:03,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:03,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:03,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:03,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:03,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:03,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:54:03,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:03,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:03,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:03,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:03,412 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:03,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:03,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:03,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:54:03,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:03,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:03,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:03,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:03,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:03,423 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:03,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:03,423 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:03,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:03,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:03,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:03,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:03,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:03,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:03,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:03,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:03,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:03,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:54:03,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:54:03,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:03,432 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 -> e02278ee7d9986faf1ae0635ee11725f823e79f3 [2019-11-25 22:54:04,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:04,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:04,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:04,070 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:04,071 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:04,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test26-2.c [2019-11-25 22:54:04,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/797c45875/0273214fb550436287df3509782ee053/FLAG12097db2c [2019-11-25 22:54:05,335 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:05,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test26-2.c [2019-11-25 22:54:05,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/797c45875/0273214fb550436287df3509782ee053/FLAG12097db2c [2019-11-25 22:54:05,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/797c45875/0273214fb550436287df3509782ee053 [2019-11-25 22:54:05,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:05,405 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:05,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:05,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:05,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:05,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:05,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94f6526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:05, skipping insertion in model container [2019-11-25 22:54:05,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:05,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:05,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:05,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:05,989 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:06,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:06,165 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:06,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:06 WrapperNode [2019-11-25 22:54:06,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:06,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:06,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:06,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:06,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:06" (1/1) ... [2019-11-25 22:54:06,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:06" (1/1) ... [2019-11-25 22:54:06,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:06,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:06,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:06,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:06,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:06" (1/1) ... [2019-11-25 22:54:06,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:06" (1/1) ... [2019-11-25 22:54:06,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:06" (1/1) ... [2019-11-25 22:54:06,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:06" (1/1) ... [2019-11-25 22:54:06,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:06" (1/1) ... [2019-11-25 22:54:06,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:06" (1/1) ... [2019-11-25 22:54:06,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:06" (1/1) ... [2019-11-25 22:54:06,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:06,328 INFO L168 Benchmark]: Toolchain (without parser) took 914.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 991.2 MB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:06,330 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:06,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.0 MB in the end (delta: -39.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:06,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.05 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:06,349 INFO L168 Benchmark]: Boogie Preprocessor took 57.52 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:06,361 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 753.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.0 MB in the end (delta: -39.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 87.05 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.52 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:10,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:10,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:10,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:10,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:10,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:10,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:10,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:10,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:10,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:10,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:10,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:10,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:10,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:10,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:10,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:10,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:10,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:10,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:10,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:10,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:10,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:10,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:10,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:10,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:10,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:10,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:10,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:10,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:10,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:10,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:10,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:10,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:10,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:10,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:10,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:10,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:10,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:10,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:10,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:10,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:10,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:54:10,547 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:10,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:10,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:10,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:10,558 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:10,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:10,559 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:10,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:10,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:10,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:10,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:10,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:10,567 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:54:10,567 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:54:10,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:10,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:10,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:10,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:10,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:10,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:10,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:10,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:10,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:10,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:10,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:10,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:10,575 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:54:10,575 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:54:10,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:10,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:54:10,578 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 -> e02278ee7d9986faf1ae0635ee11725f823e79f3 [2019-11-25 22:54:11,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:11,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:11,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:11,248 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:11,249 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:11,251 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test26-2.c [2019-11-25 22:54:11,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9c1a0a2/d9d559572683494ca45a3938d2f10561/FLAG45ac4706f [2019-11-25 22:54:12,474 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:12,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test26-2.c [2019-11-25 22:54:12,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9c1a0a2/d9d559572683494ca45a3938d2f10561/FLAG45ac4706f [2019-11-25 22:54:12,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9c1a0a2/d9d559572683494ca45a3938d2f10561 [2019-11-25 22:54:12,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:12,539 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:12,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:12,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:12,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:12,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:12" (1/1) ... [2019-11-25 22:54:12,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e45741f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:12, skipping insertion in model container [2019-11-25 22:54:12,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:12" (1/1) ... [2019-11-25 22:54:12,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:12,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:13,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:13,157 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:13,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:13,336 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:13,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:13 WrapperNode [2019-11-25 22:54:13,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:13,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:13,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:13,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:13,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:13" (1/1) ... [2019-11-25 22:54:13,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:13" (1/1) ... [2019-11-25 22:54:13,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:13,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:13,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:13,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:13,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:13" (1/1) ... [2019-11-25 22:54:13,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:13" (1/1) ... [2019-11-25 22:54:13,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:13" (1/1) ... [2019-11-25 22:54:13,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:13" (1/1) ... [2019-11-25 22:54:13,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:13" (1/1) ... [2019-11-25 22:54:13,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:13" (1/1) ... [2019-11-25 22:54:13,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:13" (1/1) ... [2019-11-25 22:54:13,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:13,541 INFO L168 Benchmark]: Toolchain (without parser) took 985.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:13,544 INFO L168 Benchmark]: CDTParser took 0.45 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. [2019-11-25 22:54:13,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:13,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.03 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:13,553 INFO L168 Benchmark]: Boogie Preprocessor took 75.05 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:13,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 793.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 108.03 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.05 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...