./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test16.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/test16.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 fa042b443dc45a7f1744078ac68f117b1cbe89b6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/test16.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 fa042b443dc45a7f1744078ac68f117b1cbe89b6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:53:58,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:58,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:58,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:58,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:58,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:58,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:58,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:58,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:58,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:58,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:58,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:58,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:58,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:58,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:58,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:58,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:58,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:58,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:58,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:58,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:58,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:58,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:58,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:58,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:58,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:58,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:58,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:58,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:58,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:58,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:58,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:58,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:58,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:58,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:58,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:58,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:58,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:58,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:58,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:58,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:58,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:53:58,336 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:58,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:58,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:58,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:58,350 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:58,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:58,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:58,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:53:58,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:58,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:58,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:58,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:58,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:58,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:58,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:58,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:58,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:58,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:58,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:58,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:58,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:58,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:58,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:58,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:58,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:58,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:53:58,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:53:58,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:58,368 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 -> fa042b443dc45a7f1744078ac68f117b1cbe89b6 [2019-11-25 22:53:58,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:58,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:58,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:58,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:58,944 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:58,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test16.c [2019-11-25 22:53:59,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0057d1457/20fcbd506fbb43af8b19ca081c627763/FLAG42fc1b6ac [2019-11-25 22:54:00,133 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:00,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test16.c [2019-11-25 22:54:00,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0057d1457/20fcbd506fbb43af8b19ca081c627763/FLAG42fc1b6ac [2019-11-25 22:54:00,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0057d1457/20fcbd506fbb43af8b19ca081c627763 [2019-11-25 22:54:00,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:00,202 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:00,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:00,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:00,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:00,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:00,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3467d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00, skipping insertion in model container [2019-11-25 22:54:00,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:00,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:00,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:00,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:00,774 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:00,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:00,855 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:00,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00 WrapperNode [2019-11-25 22:54:00,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:00,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:00,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:00,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:00,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:00,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:01,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:01,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:01,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:01,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:01,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:01,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:01,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:01,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:01,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:01,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:01,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:00" (1/1) ... [2019-11-25 22:54:01,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:01,099 INFO L168 Benchmark]: Toolchain (without parser) took 895.31 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:01,102 INFO L168 Benchmark]: CDTParser took 0.40 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 22:54:01,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.72 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:01,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.22 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:01,125 INFO L168 Benchmark]: Boogie Preprocessor took 44.97 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:01,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 650.72 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 191.22 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.97 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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 22:54:05,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:05,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:05,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:05,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:05,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:05,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:05,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:05,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:05,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:05,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:05,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:05,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:05,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:05,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:05,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:05,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:05,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:05,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:05,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:05,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:05,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:05,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:05,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:05,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:05,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:05,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:05,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:05,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:05,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:05,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:05,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:05,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:05,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:05,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:05,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:05,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:05,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:05,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:05,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:05,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:05,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:54:05,257 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:05,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:05,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:05,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:05,263 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:05,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:05,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:05,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:05,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:05,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:05,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:05,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:05,271 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:54:05,272 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:54:05,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:05,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:05,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:05,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:05,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:05,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:05,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:05,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:05,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:05,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:05,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:05,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:05,280 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:54:05,280 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:54:05,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:05,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:54:05,282 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 -> fa042b443dc45a7f1744078ac68f117b1cbe89b6 [2019-11-25 22:54:05,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:05,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:05,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:05,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:05,879 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:05,883 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test16.c [2019-11-25 22:54:06,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317330668/1a321b1ddfe748f883cddeac61dcc9c4/FLAGaa9ebcf65 [2019-11-25 22:54:07,039 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:07,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test16.c [2019-11-25 22:54:07,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317330668/1a321b1ddfe748f883cddeac61dcc9c4/FLAGaa9ebcf65 [2019-11-25 22:54:07,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317330668/1a321b1ddfe748f883cddeac61dcc9c4 [2019-11-25 22:54:07,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:07,263 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:07,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:07,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:07,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:07,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:07,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5553a1b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07, skipping insertion in model container [2019-11-25 22:54:07,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:07,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:07,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:07,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:07,834 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:07,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:07,917 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:07,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07 WrapperNode [2019-11-25 22:54:07,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:07,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:07,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:07,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:07,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:08,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:08,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:08,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:08,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:07" (1/1) ... [2019-11-25 22:54:08,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:08,166 INFO L168 Benchmark]: Toolchain (without parser) took 896.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 991.2 MB in the end (delta: -32.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:08,167 INFO L168 Benchmark]: CDTParser took 0.52 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 22:54:08,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.41 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:08,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.3 MB in the beginning and 996.9 MB in the end (delta: -49.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:08,176 INFO L168 Benchmark]: Boogie Preprocessor took 60.00 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 22:54:08,199 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 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 655.41 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 173.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.3 MB in the beginning and 996.9 MB in the end (delta: -49.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 60.00 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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...