./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test17.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/ldv-regression/test17.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 6dfa7040946af97f12868ff329bf2a2e2019a519 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/test17.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 6dfa7040946af97f12868ff329bf2a2e2019a519 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:01:41,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:41,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:41,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:41,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:41,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:41,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:41,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:41,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:41,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:41,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:41,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:41,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:41,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:41,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:41,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:41,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:41,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:41,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:41,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:41,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:41,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:41,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:41,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:41,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:41,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:41,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:41,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:41,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:41,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:41,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:41,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:41,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:41,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:41,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:41,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:41,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:41,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:41,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:41,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:41,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:41,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:41,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:41,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:41,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:41,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:41,770 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:41,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:41,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:41,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:41,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:41,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:41,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:41,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:41,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:41,780 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:41,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:41,783 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:41,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:41,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:41,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:41,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:41,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:41,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:41,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:41,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:41,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:41,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:41,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:41,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:41,793 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 -> 6dfa7040946af97f12868ff329bf2a2e2019a519 [2019-11-26 17:01:42,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:42,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:42,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:42,367 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:42,372 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:42,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test17.c [2019-11-26 17:01:42,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aec94e91a/a3902199089c43ef99c32b36af9848f8/FLAGf870faa2d [2019-11-26 17:01:43,540 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:43,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test17.c [2019-11-26 17:01:43,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aec94e91a/a3902199089c43ef99c32b36af9848f8/FLAGf870faa2d [2019-11-26 17:01:43,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aec94e91a/a3902199089c43ef99c32b36af9848f8 [2019-11-26 17:01:43,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:43,608 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:43,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:43,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:43,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:43,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f305c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43, skipping insertion in model container [2019-11-26 17:01:43,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:43,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:44,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:44,145 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:44,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:44,231 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:44,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44 WrapperNode [2019-11-26 17:01:44,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:44,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:44,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:44,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:44,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:44,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:44,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:44,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:44,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:44,450 INFO L168 Benchmark]: Toolchain (without parser) took 839.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:44,454 INFO L168 Benchmark]: CDTParser took 0.43 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 17:01:44,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.70 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. [2019-11-26 17:01:44,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.47 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 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:44,476 INFO L168 Benchmark]: Boogie Preprocessor took 38.02 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:44,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 624.70 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 160.47 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 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 38.02 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. 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 17:01:48,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:48,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:48,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:48,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:48,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:48,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:48,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:48,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:48,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:48,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:48,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:48,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:48,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:48,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:48,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:48,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:48,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:48,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:48,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:48,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:48,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:48,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:48,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:48,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:48,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:48,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:48,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:48,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:48,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:48,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:48,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:48,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:48,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:48,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:48,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:48,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:48,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:48,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:48,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:48,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:48,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:48,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:48,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:48,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:48,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:48,584 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:48,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:48,585 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:48,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:48,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:48,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:48,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:48,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:48,589 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:48,590 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:48,590 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:48,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:48,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:48,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:48,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:48,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:48,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:48,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:48,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:48,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:48,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:48,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:48,597 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:48,599 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:48,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:48,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:48,601 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 -> 6dfa7040946af97f12868ff329bf2a2e2019a519 [2019-11-26 17:01:49,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:49,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:49,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:49,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:49,167 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:49,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test17.c [2019-11-26 17:01:49,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3916d4b0f/22b23affa6a141b786ca511c3e0a3f40/FLAG4d14eb31f [2019-11-26 17:01:50,285 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:50,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test17.c [2019-11-26 17:01:50,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3916d4b0f/22b23affa6a141b786ca511c3e0a3f40/FLAG4d14eb31f [2019-11-26 17:01:50,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3916d4b0f/22b23affa6a141b786ca511c3e0a3f40 [2019-11-26 17:01:50,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:50,493 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:50,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:50,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:50,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:50,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730d4db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50, skipping insertion in model container [2019-11-26 17:01:50,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:50,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:50,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:51,011 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:51,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:51,125 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:51,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51 WrapperNode [2019-11-26 17:01:51,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:51,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:51,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:51,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:51,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:51,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:51,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:51,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:51,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:51,392 INFO L168 Benchmark]: Toolchain (without parser) took 895.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:51,395 INFO L168 Benchmark]: CDTParser took 1.46 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 17:01:51,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.03 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:51,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.8 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:51,406 INFO L168 Benchmark]: Boogie Preprocessor took 67.81 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:51,418 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 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 633.03 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 186.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.8 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 67.81 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...