./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem01_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 aaa39ce28677c06ea4974c4267a7bbc4385d14ab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem01_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 aaa39ce28677c06ea4974c4267a7bbc4385d14ab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:20:44,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:20:44,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:20:44,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:20:44,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:20:44,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:20:44,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:20:44,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:20:44,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:20:44,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:20:44,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:20:44,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:20:44,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:20:44,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:20:44,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:20:44,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:20:44,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:20:44,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:20:44,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:20:44,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:20:44,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:20:44,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:20:44,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:20:44,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:20:44,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:20:44,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:20:44,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:20:44,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:20:44,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:20:44,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:20:44,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:20:44,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:20:44,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:20:44,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:20:44,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:20:44,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:20:44,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:20:44,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:20:44,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:20:44,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:20:44,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:20:44,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:20:44,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:20:44,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:20:44,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:20:44,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:20:44,693 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:20:44,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:20:44,694 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:20:44,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:20:44,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:20:44,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:20:44,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:20:44,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:20:44,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:20:44,699 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:20:44,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:20:44,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:20:44,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:20:44,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:20:44,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:20:44,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:20:44,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:20:44,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:20:44,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:20:44,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:20:44,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:20:44,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:20:44,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:20:44,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:20:44,708 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 -> aaa39ce28677c06ea4974c4267a7bbc4385d14ab [2019-11-27 09:20:45,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:20:45,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:20:45,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:20:45,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:20:45,376 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:20:45,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label20.c [2019-11-27 09:20:45,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a7c2e2b/0d22f987dad44fb991a1122d265f4b49/FLAGc0c4b6517 [2019-11-27 09:20:46,807 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:20:46,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label20.c [2019-11-27 09:20:46,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a7c2e2b/0d22f987dad44fb991a1122d265f4b49/FLAGc0c4b6517 [2019-11-27 09:20:47,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a7c2e2b/0d22f987dad44fb991a1122d265f4b49 [2019-11-27 09:20:47,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:20:47,381 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:20:47,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:47,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:20:47,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:20:47,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:47" (1/1) ... [2019-11-27 09:20:47,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31007272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:47, skipping insertion in model container [2019-11-27 09:20:47,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:47" (1/1) ... [2019-11-27 09:20:47,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:20:47,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:20:48,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:48,658 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:20:48,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:48,980 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:20:48,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48 WrapperNode [2019-11-27 09:20:48,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:48,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:48,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:20:48,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:20:49,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:49,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:49,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:49,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:20:49,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:20:49,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:20:49,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:49,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:49,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:49,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:49,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:49,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:49,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:49,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:20:49,403 INFO L168 Benchmark]: Toolchain (without parser) took 2020.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 961.4 MB in the end (delta: -1.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:20:49,409 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:20:49,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1601.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:49,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 218.10 ms. Allocated memory is still 1.0 GB. Free memory was 972.9 MB in the beginning and 967.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:49,421 INFO L168 Benchmark]: Boogie Preprocessor took 188.38 ms. Allocated memory is still 1.0 GB. Free memory was 967.1 MB in the beginning and 961.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:49,431 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 1601.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 218.10 ms. Allocated memory is still 1.0 GB. Free memory was 972.9 MB in the beginning and 967.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 188.38 ms. Allocated memory is still 1.0 GB. Free memory was 967.1 MB in the beginning and 961.4 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-da95e15 [2019-11-27 09:20:53,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:20:53,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:20:53,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:20:53,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:20:53,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:20:53,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:20:53,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:20:53,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:20:53,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:20:53,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:20:53,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:20:53,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:20:53,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:20:53,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:20:53,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:20:53,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:20:53,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:20:53,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:20:53,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:20:53,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:20:53,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:20:53,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:20:53,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:20:53,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:20:53,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:20:53,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:20:53,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:20:53,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:20:53,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:20:53,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:20:53,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:20:53,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:20:53,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:20:53,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:20:53,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:20:53,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:20:53,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:20:53,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:20:53,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:20:53,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:20:53,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:20:53,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:20:53,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:20:53,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:20:53,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:20:53,461 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:20:53,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:20:53,463 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:20:53,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:20:53,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:20:53,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:20:53,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:20:53,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:20:53,467 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:20:53,468 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:20:53,468 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:20:53,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:20:53,471 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:20:53,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:20:53,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:20:53,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:20:53,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:20:53,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:20:53,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:20:53,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:20:53,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:20:53,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:20:53,476 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:20:53,477 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:20:53,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:20:53,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:20:53,479 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 -> aaa39ce28677c06ea4974c4267a7bbc4385d14ab [2019-11-27 09:20:54,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:20:54,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:20:54,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:20:54,163 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:20:54,163 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:20:54,166 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label20.c [2019-11-27 09:20:54,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7f766328/30d07d594c7c42debd0f47e987e90ab6/FLAG360da5903 [2019-11-27 09:20:55,579 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:20:55,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label20.c [2019-11-27 09:20:55,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7f766328/30d07d594c7c42debd0f47e987e90ab6/FLAG360da5903 [2019-11-27 09:20:55,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7f766328/30d07d594c7c42debd0f47e987e90ab6 [2019-11-27 09:20:55,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:20:55,666 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:20:55,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:55,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:20:55,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:20:55,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:55" (1/1) ... [2019-11-27 09:20:55,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:55, skipping insertion in model container [2019-11-27 09:20:55,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:55" (1/1) ... [2019-11-27 09:20:55,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:20:55,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:20:56,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:56,762 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:20:57,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:57,090 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:20:57,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:57 WrapperNode [2019-11-27 09:20:57,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:57,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:57,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:20:57,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:20:57,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:57" (1/1) ... [2019-11-27 09:20:57,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:57" (1/1) ... [2019-11-27 09:20:57,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:57,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:20:57,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:20:57,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:20:57,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:57" (1/1) ... [2019-11-27 09:20:57,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:57" (1/1) ... [2019-11-27 09:20:57,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:57" (1/1) ... [2019-11-27 09:20:57,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:57" (1/1) ... [2019-11-27 09:20:57,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:57" (1/1) ... [2019-11-27 09:20:57,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:57" (1/1) ... [2019-11-27 09:20:57,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:57" (1/1) ... [2019-11-27 09:20:57,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:20:57,539 INFO L168 Benchmark]: Toolchain (without parser) took 1871.27 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 954.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:57,546 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-27 09:20:57,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1427.54 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 966.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:57,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 236.38 ms. Allocated memory is still 1.0 GB. Free memory was 966.4 MB in the beginning and 960.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:57,555 INFO L168 Benchmark]: Boogie Preprocessor took 197.58 ms. Allocated memory is still 1.0 GB. Free memory was 960.6 MB in the beginning and 954.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:57,572 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1427.54 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 966.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 236.38 ms. Allocated memory is still 1.0 GB. Free memory was 966.4 MB in the beginning and 960.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 197.58 ms. Allocated memory is still 1.0 GB. Free memory was 960.6 MB in the beginning and 954.9 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...