./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test21-1.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/ldv-regression/test21-1.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 e96ea2b5694d083c4ab21538f2478ac793ab7d6e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/test21-1.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 e96ea2b5694d083c4ab21538f2478ac793ab7d6e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:07:44,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:44,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:44,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:44,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:44,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:44,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:44,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:44,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:44,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:44,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:44,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:44,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:44,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:44,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:44,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:44,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:44,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:44,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:44,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:44,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:44,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:44,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:44,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:44,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:44,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:44,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:44,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:44,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:44,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:44,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:44,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:44,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:44,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:44,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:44,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:44,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:44,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:44,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:44,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:44,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:44,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:07:44,634 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:44,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:44,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:44,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:44,640 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:44,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:44,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:44,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:07:44,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:44,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:44,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:44,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:44,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:44,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:44,644 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:44,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:44,644 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:44,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:44,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:44,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:44,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:44,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:44,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:44,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:44,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:44,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:44,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:07:44,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:07:44,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:44,649 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 -> e96ea2b5694d083c4ab21538f2478ac793ab7d6e [2019-11-24 21:07:45,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:45,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:45,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:45,070 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:45,074 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:45,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test21-1.c [2019-11-24 21:07:45,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73c6b7e73/1aeaa25e80d44434ad5b3e18b470aca4/FLAGd7ea8b215 [2019-11-24 21:07:45,881 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:45,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test21-1.c [2019-11-24 21:07:45,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73c6b7e73/1aeaa25e80d44434ad5b3e18b470aca4/FLAGd7ea8b215 [2019-11-24 21:07:46,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73c6b7e73/1aeaa25e80d44434ad5b3e18b470aca4 [2019-11-24 21:07:46,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:46,210 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:46,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:46,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:46,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:46,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73584afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46, skipping insertion in model container [2019-11-24 21:07:46,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:46,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:46,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:46,574 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:46,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:46,686 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:46,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46 WrapperNode [2019-11-24 21:07:46,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:46,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:46,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:46,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:46,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:46,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:46,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:46,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:46,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:46,813 INFO L168 Benchmark]: Toolchain (without parser) took 600.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:46,816 INFO L168 Benchmark]: CDTParser took 0.73 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 21:07:46,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.98 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: -35.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:46,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.22 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. [2019-11-24 21:07:46,834 INFO L168 Benchmark]: Boogie Preprocessor took 47.60 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 21:07:46,843 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 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 471.98 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: -35.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 66.22 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. * Boogie Preprocessor took 47.60 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:49,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:49,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:49,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:49,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:49,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:49,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:49,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:49,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:49,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:49,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:49,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:49,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:49,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:49,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:49,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:49,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:49,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:49,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:49,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:49,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:49,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:49,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:49,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:49,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:49,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:49,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:49,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:49,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:49,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:49,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:49,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:49,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:49,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:49,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:49,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:49,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:49,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:49,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:49,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:49,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:49,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:49,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:49,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:49,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:49,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:49,663 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:49,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:49,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:49,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:49,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:49,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:49,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:49,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:49,666 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:49,667 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:49,667 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:49,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:49,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:49,670 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:49,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:49,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:49,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:49,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:49,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:49,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:49,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:49,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:49,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:49,673 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:49,673 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:49,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:49,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:49,674 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 -> e96ea2b5694d083c4ab21538f2478ac793ab7d6e [2019-11-24 21:07:50,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:50,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:50,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:50,094 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:50,098 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:50,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test21-1.c [2019-11-24 21:07:50,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8d66736/909b866d5c4d44daa3e3379ab6456723/FLAG6d63b558f [2019-11-24 21:07:50,945 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:50,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test21-1.c [2019-11-24 21:07:50,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8d66736/909b866d5c4d44daa3e3379ab6456723/FLAG6d63b558f [2019-11-24 21:07:51,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8d66736/909b866d5c4d44daa3e3379ab6456723 [2019-11-24 21:07:51,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:51,263 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:51,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:51,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:51,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:51,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da8f6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51, skipping insertion in model container [2019-11-24 21:07:51,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:51,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:51,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:51,630 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:51,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:51,741 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:51,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51 WrapperNode [2019-11-24 21:07:51,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:51,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:51,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:51,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:51,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:51,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:51,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:51,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:51,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:51,871 INFO L168 Benchmark]: Toolchain (without parser) took 606.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 989.7 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:51,886 INFO L168 Benchmark]: CDTParser took 0.21 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 21:07:51,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 995.5 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:51,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.39 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:51,891 INFO L168 Benchmark]: Boogie Preprocessor took 57.22 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 MB in the beginning and 989.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:51,895 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 476.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 995.5 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 66.39 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.22 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 MB in the beginning and 989.7 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...