./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem17_label20.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 d60795b4ca5403bd40f89f595ae6747320db4210 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem17_label20.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 d60795b4ca5403bd40f89f595ae6747320db4210 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:50:17,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:50:17,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:50:17,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:50:17,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:50:17,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:50:17,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:50:17,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:50:17,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:50:17,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:50:17,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:50:17,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:50:17,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:50:17,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:50:17,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:50:18,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:50:18,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:50:18,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:50:18,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:50:18,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:50:18,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:50:18,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:50:18,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:50:18,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:50:18,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:50:18,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:50:18,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:50:18,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:50:18,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:50:18,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:50:18,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:50:18,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:50:18,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:50:18,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:50:18,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:50:18,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:50:18,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:50:18,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:50:18,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:50:18,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:50:18,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:50:18,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:50:18,084 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:50:18,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:50:18,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:50:18,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:50:18,087 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:50:18,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:50:18,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:50:18,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:50:18,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:50:18,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:50:18,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:50:18,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:50:18,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:50:18,092 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:50:18,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:50:18,092 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:50:18,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:50:18,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:50:18,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:50:18,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:50:18,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:50:18,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:50:18,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:50:18,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:50:18,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:50:18,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:50:18,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:50:18,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:50:18,098 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 -> d60795b4ca5403bd40f89f595ae6747320db4210 [2019-11-26 16:50:18,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:50:18,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:50:18,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:50:18,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:50:18,598 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:50:18,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label20.c [2019-11-26 16:50:18,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e00887e96/04fce37c58024807aa39a9497c24564b/FLAGcba6f218d [2019-11-26 16:50:19,748 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:50:19,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label20.c [2019-11-26 16:50:19,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e00887e96/04fce37c58024807aa39a9497c24564b/FLAGcba6f218d [2019-11-26 16:50:20,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e00887e96/04fce37c58024807aa39a9497c24564b [2019-11-26 16:50:20,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:50:20,237 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:50:20,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:20,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:50:20,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:50:20,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:20" (1/1) ... [2019-11-26 16:50:20,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65072a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:20, skipping insertion in model container [2019-11-26 16:50:20,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:20" (1/1) ... [2019-11-26 16:50:20,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:50:20,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:50:21,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:21,848 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:50:22,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:22,426 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:50:22,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:22 WrapperNode [2019-11-26 16:50:22,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:22,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:22,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:50:22,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:50:22,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:22" (1/1) ... [2019-11-26 16:50:22,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:22" (1/1) ... [2019-11-26 16:50:22,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:22,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:50:22,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:50:22,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:50:22,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:22" (1/1) ... [2019-11-26 16:50:22,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:22" (1/1) ... [2019-11-26 16:50:22,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:22" (1/1) ... [2019-11-26 16:50:22,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:22" (1/1) ... [2019-11-26 16:50:23,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:22" (1/1) ... [2019-11-26 16:50:23,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:22" (1/1) ... [2019-11-26 16:50:23,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:22" (1/1) ... [2019-11-26 16:50:23,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:50:23,358 INFO L168 Benchmark]: Toolchain (without parser) took 3118.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 776.4 MB in the end (delta: 179.6 MB). Peak memory consumption was 179.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:23,359 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:50:23,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2192.57 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 874.0 MB in the end (delta: 76.3 MB). Peak memory consumption was 76.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:23,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 452.99 ms. Allocated memory is still 1.0 GB. Free memory was 874.0 MB in the beginning and 810.9 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:23,366 INFO L168 Benchmark]: Boogie Preprocessor took 466.65 ms. Allocated memory is still 1.0 GB. Free memory was 810.9 MB in the beginning and 776.4 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:23,374 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 2192.57 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 874.0 MB in the end (delta: 76.3 MB). Peak memory consumption was 76.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 452.99 ms. Allocated memory is still 1.0 GB. Free memory was 874.0 MB in the beginning and 810.9 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 466.65 ms. Allocated memory is still 1.0 GB. Free memory was 810.9 MB in the beginning and 776.4 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:50:26,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:50:26,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:50:26,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:50:26,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:50:26,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:50:26,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:50:26,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:50:26,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:50:26,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:50:26,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:50:26,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:50:26,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:50:26,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:50:26,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:50:26,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:50:26,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:50:26,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:50:26,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:50:26,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:50:26,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:50:26,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:50:26,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:50:26,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:50:26,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:50:26,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:50:26,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:50:26,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:50:26,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:50:26,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:50:26,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:50:26,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:50:26,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:50:26,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:50:26,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:50:26,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:50:26,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:50:26,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:50:26,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:50:26,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:50:26,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:50:26,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:50:26,241 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:50:26,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:50:26,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:50:26,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:50:26,246 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:50:26,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:50:26,247 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:50:26,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:50:26,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:50:26,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:50:26,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:50:26,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:50:26,252 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:50:26,252 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:50:26,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:50:26,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:50:26,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:50:26,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:50:26,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:50:26,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:50:26,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:50:26,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:50:26,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:50:26,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:50:26,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:50:26,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:50:26,258 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:50:26,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:50:26,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:50:26,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:50:26,259 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 -> d60795b4ca5403bd40f89f595ae6747320db4210 [2019-11-26 16:50:26,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:50:26,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:50:26,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:50:26,719 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:50:26,720 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:50:26,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label20.c [2019-11-26 16:50:26,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33eba6181/1389432c4d3847d28aeeca5c0031b727/FLAG577fbb5ac [2019-11-26 16:50:27,840 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:50:27,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label20.c [2019-11-26 16:50:27,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33eba6181/1389432c4d3847d28aeeca5c0031b727/FLAG577fbb5ac [2019-11-26 16:50:28,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33eba6181/1389432c4d3847d28aeeca5c0031b727 [2019-11-26 16:50:28,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:50:28,369 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:50:28,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:28,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:50:28,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:50:28,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:28" (1/1) ... [2019-11-26 16:50:28,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f652c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:28, skipping insertion in model container [2019-11-26 16:50:28,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:50:28" (1/1) ... [2019-11-26 16:50:28,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:50:28,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:50:30,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:30,244 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:50:30,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:50:30,991 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:50:30,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:30 WrapperNode [2019-11-26 16:50:30,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:50:30,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:30,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:50:30,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:50:31,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:30" (1/1) ... [2019-11-26 16:50:31,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:30" (1/1) ... [2019-11-26 16:50:31,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:50:31,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:50:31,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:50:31,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:50:31,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:30" (1/1) ... [2019-11-26 16:50:31,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:30" (1/1) ... [2019-11-26 16:50:31,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:30" (1/1) ... [2019-11-26 16:50:31,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:30" (1/1) ... [2019-11-26 16:50:31,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:30" (1/1) ... [2019-11-26 16:50:31,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:30" (1/1) ... [2019-11-26 16:50:31,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:50:30" (1/1) ... [2019-11-26 16:50:31,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:50:31,600 INFO L168 Benchmark]: Toolchain (without parser) took 3229.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 782.4 MB in the end (delta: 172.2 MB). Peak memory consumption was 172.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:31,602 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:50:31,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2623.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 822.5 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:31,607 INFO L168 Benchmark]: Boogie Procedure Inliner took 286.11 ms. Allocated memory is still 1.0 GB. Free memory was 822.5 MB in the beginning and 799.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:31,609 INFO L168 Benchmark]: Boogie Preprocessor took 313.53 ms. Allocated memory is still 1.0 GB. Free memory was 799.6 MB in the beginning and 782.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:50:31,618 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 2623.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 822.5 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 286.11 ms. Allocated memory is still 1.0 GB. Free memory was 822.5 MB in the beginning and 799.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 313.53 ms. Allocated memory is still 1.0 GB. Free memory was 799.6 MB in the beginning and 782.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...