./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/half_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/loop-invgen/half_2.i -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 ca10e259bac305ecd55fc4a34d201bc0894aa533 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-invgen/half_2.i -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 ca10e259bac305ecd55fc4a34d201bc0894aa533 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:13:23,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:23,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:23,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:23,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:23,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:23,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:23,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:23,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:23,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:23,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:23,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:23,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:23,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:23,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:23,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:23,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:23,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:23,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:23,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:23,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:23,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:23,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:23,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:23,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:23,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:23,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:23,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:23,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:23,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:23,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:23,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:23,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:23,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:23,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:23,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:23,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:23,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:23,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:23,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:23,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:23,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:23,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:23,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:23,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:23,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:23,795 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:23,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:23,796 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:23,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:23,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:23,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:23,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:23,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:23,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:23,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:23,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:23,803 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:23,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:23,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:23,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:23,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:23,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:23,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:23,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:23,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:23,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:23,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:23,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:23,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:23,812 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 -> ca10e259bac305ecd55fc4a34d201bc0894aa533 [2019-11-27 16:13:24,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:24,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:24,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:24,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:24,413 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:24,416 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/half_2.i [2019-11-27 16:13:24,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0010ce0d1/c8e771fe05594772898e84b3111a70f7/FLAGa6e14faeb [2019-11-27 16:13:25,632 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:25,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/half_2.i [2019-11-27 16:13:25,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0010ce0d1/c8e771fe05594772898e84b3111a70f7/FLAGa6e14faeb [2019-11-27 16:13:25,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0010ce0d1/c8e771fe05594772898e84b3111a70f7 [2019-11-27 16:13:25,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:25,701 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:25,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:25,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:25,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:25,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:25" (1/1) ... [2019-11-27 16:13:25,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3840934b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:25, skipping insertion in model container [2019-11-27 16:13:25,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:25" (1/1) ... [2019-11-27 16:13:25,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:25,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:26,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:26,246 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:26,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:26,326 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:26,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:26 WrapperNode [2019-11-27 16:13:26,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:26,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:26,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:26,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:26,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:26" (1/1) ... [2019-11-27 16:13:26,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:26" (1/1) ... [2019-11-27 16:13:26,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:26,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:26,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:26,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:26,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:26" (1/1) ... [2019-11-27 16:13:26,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:26" (1/1) ... [2019-11-27 16:13:26,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:26" (1/1) ... [2019-11-27 16:13:26,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:26" (1/1) ... [2019-11-27 16:13:26,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:26" (1/1) ... [2019-11-27 16:13:26,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:26" (1/1) ... [2019-11-27 16:13:26,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:26" (1/1) ... [2019-11-27 16:13:26,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:26,570 INFO L168 Benchmark]: Toolchain (without parser) took 862.74 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:26,574 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:26,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.14 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. [2019-11-27 16:13:26,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.56 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:26,596 INFO L168 Benchmark]: Boogie Preprocessor took 53.77 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. [2019-11-27 16:13:26,610 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 623.14 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 177.56 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.77 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:13:30,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:30,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:30,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:30,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:30,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:30,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:30,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:30,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:30,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:30,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:30,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:30,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:30,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:30,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:30,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:30,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:30,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:30,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:30,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:30,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:30,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:30,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:30,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:30,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:30,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:30,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:30,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:30,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:30,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:30,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:30,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:30,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:30,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:30,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:30,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:30,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:30,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:30,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:30,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:30,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:30,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:30,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:30,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:30,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:30,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:30,940 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:30,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:30,941 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:30,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:30,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:30,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:30,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:30,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:30,945 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:30,946 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:30,947 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:30,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:30,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:30,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:30,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:30,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:30,952 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:30,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:30,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:30,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:30,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:30,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:30,955 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:30,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:30,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:30,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:30,962 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 -> ca10e259bac305ecd55fc4a34d201bc0894aa533 [2019-11-27 16:13:31,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:31,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:31,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:31,588 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:31,590 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:31,591 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/half_2.i [2019-11-27 16:13:31,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c68514113/6cd27b1a71c34604a2f35f4952d04627/FLAG7b1ddae3e [2019-11-27 16:13:32,809 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:32,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/half_2.i [2019-11-27 16:13:32,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c68514113/6cd27b1a71c34604a2f35f4952d04627/FLAG7b1ddae3e [2019-11-27 16:13:32,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c68514113/6cd27b1a71c34604a2f35f4952d04627 [2019-11-27 16:13:32,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:32,875 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:32,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:32,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:32,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:32,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:32" (1/1) ... [2019-11-27 16:13:32,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3840934b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:32, skipping insertion in model container [2019-11-27 16:13:32,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:32" (1/1) ... [2019-11-27 16:13:32,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:32,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:33,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:33,461 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:33,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:33,545 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:33,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:33 WrapperNode [2019-11-27 16:13:33,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:33,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:33,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:33,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:33,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:33" (1/1) ... [2019-11-27 16:13:33,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:33" (1/1) ... [2019-11-27 16:13:33,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:33,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:33,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:33,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:33,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:33" (1/1) ... [2019-11-27 16:13:33,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:33" (1/1) ... [2019-11-27 16:13:33,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:33" (1/1) ... [2019-11-27 16:13:33,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:33" (1/1) ... [2019-11-27 16:13:33,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:33" (1/1) ... [2019-11-27 16:13:33,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:33" (1/1) ... [2019-11-27 16:13:33,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:33" (1/1) ... [2019-11-27 16:13:33,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:33,836 INFO L168 Benchmark]: Toolchain (without parser) took 953.34 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. [2019-11-27 16:13:33,839 INFO L168 Benchmark]: CDTParser took 1.23 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:33,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.75 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. [2019-11-27 16:13:33,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-27 16:13:33,853 INFO L168 Benchmark]: Boogie Preprocessor took 85.17 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. [2019-11-27 16:13:33,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 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 665.75 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 190.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 85.17 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...