./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/cohendiv.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/nla-digbench/cohendiv.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 4602cfc6f42e03e10f97d6280c5c53ef543e38cc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/nla-digbench/cohendiv.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 4602cfc6f42e03e10f97d6280c5c53ef543e38cc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:11:26,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:26,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:26,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:26,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:26,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:26,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:26,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:26,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:26,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:26,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:26,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:26,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:26,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:26,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:26,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:26,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:26,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:26,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:26,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:26,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:26,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:26,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:26,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:26,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:26,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:26,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:26,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:26,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:26,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:26,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:26,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:26,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:26,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:26,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:26,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:26,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:26,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:26,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:26,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:26,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:26,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:11:26,731 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:26,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:26,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:26,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:26,739 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:26,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:26,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:26,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:11:26,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:26,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:26,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:26,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:26,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:26,745 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:26,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:26,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:26,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:26,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:26,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:26,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:26,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:26,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:26,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:26,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:26,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:26,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:26,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:11:26,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:11:26,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:26,754 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 -> 4602cfc6f42e03e10f97d6280c5c53ef543e38cc [2019-11-24 21:11:27,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:27,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:27,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:27,433 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:27,437 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:27,438 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohendiv.c [2019-11-24 21:11:27,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4a6e0aa/523017934160456884a5f8526535055b/FLAGe1ed733b6 [2019-11-24 21:11:28,611 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:28,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv.c [2019-11-24 21:11:28,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4a6e0aa/523017934160456884a5f8526535055b/FLAGe1ed733b6 [2019-11-24 21:11:28,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4a6e0aa/523017934160456884a5f8526535055b [2019-11-24 21:11:28,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:28,682 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:28,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:28,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:28,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:28,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:28" (1/1) ... [2019-11-24 21:11:28,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b6135e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:28, skipping insertion in model container [2019-11-24 21:11:28,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:28" (1/1) ... [2019-11-24 21:11:28,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:28,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:29,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:29,182 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:29,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:29,240 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:29,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29 WrapperNode [2019-11-24 21:11:29,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:29,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:29,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:29,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:29,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:29,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:29,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:29,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:29,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:29,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:29,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:29,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:29,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:29,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:29,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:29,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:29,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:29,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:29,487 INFO L168 Benchmark]: Toolchain (without parser) took 789.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:29,489 INFO L168 Benchmark]: CDTParser took 3.95 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. [2019-11-24 21:11:29,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.99 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:29,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.88 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 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:29,497 INFO L168 Benchmark]: Boogie Preprocessor took 56.80 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:29,507 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.95 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 554.99 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 162.88 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 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.80 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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 0.1.24-32f2683 [2019-11-24 21:11:33,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:33,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:33,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:33,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:33,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:33,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:33,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:33,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:33,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:33,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:33,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:33,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:33,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:33,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:33,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:33,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:33,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:33,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:33,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:33,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:33,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:33,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:33,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:33,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:33,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:33,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:33,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:33,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:33,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:33,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:33,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:33,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:33,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:33,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:33,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:33,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:33,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:33,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:33,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:33,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:33,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:11:33,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:33,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:33,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:33,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:33,537 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:33,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:33,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:33,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:33,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:33,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:33,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:33,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:33,543 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:33,545 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:11:33,546 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:11:33,546 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:33,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:33,547 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:33,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:33,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:33,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:33,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:33,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:33,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:33,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:33,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:33,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:33,553 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:11:33,555 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:11:33,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:33,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:11:33,557 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 -> 4602cfc6f42e03e10f97d6280c5c53ef543e38cc [2019-11-24 21:11:34,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:34,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:34,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:34,160 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:34,163 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:34,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohendiv.c [2019-11-24 21:11:34,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e00ca49b8/b19ad487ebec4e65a1a6a5b0efbfb2f5/FLAG4ec10323b [2019-11-24 21:11:35,352 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:35,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv.c [2019-11-24 21:11:35,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e00ca49b8/b19ad487ebec4e65a1a6a5b0efbfb2f5/FLAG4ec10323b [2019-11-24 21:11:35,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e00ca49b8/b19ad487ebec4e65a1a6a5b0efbfb2f5 [2019-11-24 21:11:35,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:35,425 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:35,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:35,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:35,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:35,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35, skipping insertion in model container [2019-11-24 21:11:35,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:35,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:35,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:35,980 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:36,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:36,088 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:36,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:36 WrapperNode [2019-11-24 21:11:36,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:36,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:36,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:36,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:36,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:36" (1/1) ... [2019-11-24 21:11:36,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:36" (1/1) ... [2019-11-24 21:11:36,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:36,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:36,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:36,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:36,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:36" (1/1) ... [2019-11-24 21:11:36,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:36" (1/1) ... [2019-11-24 21:11:36,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:36" (1/1) ... [2019-11-24 21:11:36,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:36" (1/1) ... [2019-11-24 21:11:36,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:36" (1/1) ... [2019-11-24 21:11:36,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:36" (1/1) ... [2019-11-24 21:11:36,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:36" (1/1) ... [2019-11-24 21:11:36,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:36,395 INFO L168 Benchmark]: Toolchain (without parser) took 967.71 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 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:36,397 INFO L168 Benchmark]: CDTParser took 0.44 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. [2019-11-24 21:11:36,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.97 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:36,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:36,409 INFO L168 Benchmark]: Boogie Preprocessor took 100.74 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:36,419 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 662.97 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 187.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 100.74 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...