./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/sqm-iff.c --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/array-fpi/sqm-iff.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 ea8e4699b666ed7abcb45752bfdbd03e9b20b89e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/array-fpi/sqm-iff.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 ea8e4699b666ed7abcb45752bfdbd03e9b20b89e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:40:50,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:40:50,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:40:50,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:40:50,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:40:50,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:40:50,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:40:50,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:40:50,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:40:50,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:40:50,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:40:50,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:40:50,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:40:50,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:40:50,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:40:50,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:40:50,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:40:50,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:40:50,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:40:50,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:40:50,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:40:50,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:40:50,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:40:50,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:40:50,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:40:50,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:40:50,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:40:50,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:40:50,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:40:50,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:40:50,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:40:50,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:40:50,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:40:50,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:40:50,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:40:50,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:40:50,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:40:50,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:40:50,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:40:50,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:40:50,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:40:50,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:40:50,808 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:40:50,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:40:50,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:40:50,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:40:50,817 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:40:50,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:40:50,820 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:40:50,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:40:50,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:40:50,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:40:50,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:40:50,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:40:50,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:40:50,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:40:50,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:40:50,826 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:40:50,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:40:50,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:40:50,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:40:50,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:40:50,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:40:50,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:40:50,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:40:50,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:40:50,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:40:50,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:40:50,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:40:50,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:40:50,834 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 -> ea8e4699b666ed7abcb45752bfdbd03e9b20b89e [2019-11-27 15:40:51,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:40:51,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:40:51,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:40:51,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:40:51,431 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:40:51,433 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/sqm-iff.c [2019-11-27 15:40:51,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abe6e2053/980490f8b23a4d089599e1eef60bfe33/FLAG0466848c5 [2019-11-27 15:40:52,674 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:40:52,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/sqm-iff.c [2019-11-27 15:40:52,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abe6e2053/980490f8b23a4d089599e1eef60bfe33/FLAG0466848c5 [2019-11-27 15:40:52,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abe6e2053/980490f8b23a4d089599e1eef60bfe33 [2019-11-27 15:40:52,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:40:52,749 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:40:52,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:40:52,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:40:52,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:40:52,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:40:52" (1/1) ... [2019-11-27 15:40:52,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f35d551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:52, skipping insertion in model container [2019-11-27 15:40:52,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:40:52" (1/1) ... [2019-11-27 15:40:52,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:40:52,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:40:53,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:40:53,350 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:40:53,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:40:53,542 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:40:53,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:53 WrapperNode [2019-11-27 15:40:53,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:40:53,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:40:53,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:40:53,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:40:53,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:53" (1/1) ... [2019-11-27 15:40:53,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:53" (1/1) ... [2019-11-27 15:40:53,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:40:53,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:40:53,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:40:53,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:40:53,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:53" (1/1) ... [2019-11-27 15:40:53,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:53" (1/1) ... [2019-11-27 15:40:53,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:53" (1/1) ... [2019-11-27 15:40:53,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:53" (1/1) ... [2019-11-27 15:40:53,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:53" (1/1) ... [2019-11-27 15:40:53,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:53" (1/1) ... [2019-11-27 15:40:53,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:40:53" (1/1) ... [2019-11-27 15:40:53,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:40:53,729 INFO L168 Benchmark]: Toolchain (without parser) took 967.66 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:40:53,734 INFO L168 Benchmark]: CDTParser took 3.11 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 15:40:53,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.49 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:40:53,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.08 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:40:53,750 INFO L168 Benchmark]: Boogie Preprocessor took 67.43 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:40:53,762 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.11 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 801.49 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 90.08 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 67.43 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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 15:40:57,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:40:57,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:40:57,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:40:57,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:40:57,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:40:57,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:40:57,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:40:57,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:40:57,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:40:57,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:40:57,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:40:57,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:40:57,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:40:57,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:40:57,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:40:57,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:40:57,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:40:57,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:40:57,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:40:57,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:40:57,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:40:57,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:40:57,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:40:57,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:40:57,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:40:57,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:40:57,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:40:57,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:40:57,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:40:57,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:40:57,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:40:57,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:40:57,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:40:58,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:40:58,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:40:58,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:40:58,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:40:58,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:40:58,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:40:58,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:40:58,012 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:40:58,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:40:58,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:40:58,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:40:58,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:40:58,061 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:40:58,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:40:58,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:40:58,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:40:58,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:40:58,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:40:58,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:40:58,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:40:58,068 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:40:58,069 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:40:58,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:40:58,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:40:58,073 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:40:58,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:40:58,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:40:58,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:40:58,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:40:58,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:40:58,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:40:58,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:40:58,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:40:58,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:40:58,078 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:40:58,078 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:40:58,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:40:58,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:40:58,081 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 -> ea8e4699b666ed7abcb45752bfdbd03e9b20b89e [2019-11-27 15:40:58,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:40:58,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:40:58,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:40:58,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:40:58,759 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:40:58,761 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/sqm-iff.c [2019-11-27 15:40:58,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8323926b9/576f19eed92c41b1854ab134eedb380a/FLAG07151897e [2019-11-27 15:41:00,000 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:00,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/sqm-iff.c [2019-11-27 15:41:00,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8323926b9/576f19eed92c41b1854ab134eedb380a/FLAG07151897e [2019-11-27 15:41:00,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8323926b9/576f19eed92c41b1854ab134eedb380a [2019-11-27 15:41:00,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:00,071 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:00,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:00,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:00,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:00,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:00" (1/1) ... [2019-11-27 15:41:00,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7cbcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:00, skipping insertion in model container [2019-11-27 15:41:00,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:00" (1/1) ... [2019-11-27 15:41:00,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:00,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:00,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:00,689 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:00,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:00,882 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:00,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:00 WrapperNode [2019-11-27 15:41:00,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:00,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:00,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:00,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:00,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:00" (1/1) ... [2019-11-27 15:41:00,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:00" (1/1) ... [2019-11-27 15:41:01,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:01,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:01,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:01,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:01,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:00" (1/1) ... [2019-11-27 15:41:01,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:00" (1/1) ... [2019-11-27 15:41:01,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:00" (1/1) ... [2019-11-27 15:41:01,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:00" (1/1) ... [2019-11-27 15:41:01,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:00" (1/1) ... [2019-11-27 15:41:01,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:00" (1/1) ... [2019-11-27 15:41:01,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:00" (1/1) ... [2019-11-27 15:41:01,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:01,103 INFO L168 Benchmark]: Toolchain (without parser) took 1033.76 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 15:41:01,106 INFO L168 Benchmark]: CDTParser took 0.39 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 15:41:01,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:01,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.28 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 15:41:01,112 INFO L168 Benchmark]: Boogie Preprocessor took 82.53 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:01,130 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 810.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 118.28 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. * Boogie Preprocessor took 82.53 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...