./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/water_pid.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/float-benchs/water_pid.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 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float-benchs/water_pid.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 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:07:19,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:19,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:19,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:19,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:19,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:19,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:19,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:19,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:19,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:19,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:19,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:19,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:19,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:19,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:19,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:19,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:19,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:19,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:19,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:19,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:19,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:19,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:19,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:19,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:19,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:19,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:19,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:19,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:19,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:19,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:19,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:19,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:19,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:19,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:19,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:19,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:19,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:19,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:19,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:19,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:19,881 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:07:19,922 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:19,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:19,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:19,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:19,929 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:19,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:19,930 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:19,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:07:19,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:19,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:19,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:19,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:19,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:19,935 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:19,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:19,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:19,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:19,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:19,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:19,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:19,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:19,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:19,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:19,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:19,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:19,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:07:19,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:07:19,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:19,944 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 -> 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 [2019-11-27 16:07:20,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:20,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:20,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:20,529 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:20,529 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:20,533 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/water_pid.c [2019-11-27 16:07:20,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d16815f0/61fc94bf64c94dacbbe5546f716123e7/FLAG8233d2e8d [2019-11-27 16:07:21,710 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:21,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/water_pid.c [2019-11-27 16:07:21,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d16815f0/61fc94bf64c94dacbbe5546f716123e7/FLAG8233d2e8d [2019-11-27 16:07:21,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d16815f0/61fc94bf64c94dacbbe5546f716123e7 [2019-11-27 16:07:21,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:21,779 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:21,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:21,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:21,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:21,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:21" (1/1) ... [2019-11-27 16:07:21,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:21, skipping insertion in model container [2019-11-27 16:07:21,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:21" (1/1) ... [2019-11-27 16:07:21,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:21,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:22,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:22,310 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:22,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:22,398 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:22,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:22 WrapperNode [2019-11-27 16:07:22,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:22,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:22,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:22,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:22,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:22" (1/1) ... [2019-11-27 16:07:22,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:22" (1/1) ... [2019-11-27 16:07:22,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:22,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:22,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:22,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:22,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:22" (1/1) ... [2019-11-27 16:07:22,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:22" (1/1) ... [2019-11-27 16:07:22,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:22" (1/1) ... [2019-11-27 16:07:22,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:22" (1/1) ... [2019-11-27 16:07:22,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:22" (1/1) ... [2019-11-27 16:07:22,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:22" (1/1) ... [2019-11-27 16:07:22,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:22" (1/1) ... [2019-11-27 16:07:22,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:22,604 INFO L168 Benchmark]: Toolchain (without parser) took 821.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:22,618 INFO L168 Benchmark]: CDTParser took 0.35 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. [2019-11-27 16:07:22,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.04 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:22,627 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:22,629 INFO L168 Benchmark]: Boogie Preprocessor took 54.80 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 16:07:22,642 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 617.04 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 141.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 54.80 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 0.1.24-509859d [2019-11-27 16:07:26,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:26,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:26,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:26,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:26,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:26,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:26,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:26,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:26,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:26,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:26,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:26,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:26,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:26,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:26,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:26,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:26,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:26,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:26,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:26,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:26,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:26,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:26,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:26,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:26,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:26,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:26,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:26,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:26,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:26,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:26,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:26,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:26,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:26,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:26,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:26,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:26,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:26,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:26,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:26,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:26,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:26,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:26,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:26,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:26,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:26,878 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:26,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:26,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:26,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:26,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:26,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:26,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:26,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:26,884 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:26,885 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:26,887 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:26,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:26,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:26,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:26,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:26,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:26,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:26,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:26,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:26,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:26,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:26,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:26,894 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:26,894 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:26,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:26,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:26,897 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 -> 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 [2019-11-27 16:07:27,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:27,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:27,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:27,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:27,547 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:27,548 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/water_pid.c [2019-11-27 16:07:27,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34ffda6a1/af39e4d0abd9482c9e4383d12c245419/FLAG511ebb1ce [2019-11-27 16:07:28,668 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:28,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/water_pid.c [2019-11-27 16:07:28,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34ffda6a1/af39e4d0abd9482c9e4383d12c245419/FLAG511ebb1ce [2019-11-27 16:07:28,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34ffda6a1/af39e4d0abd9482c9e4383d12c245419 [2019-11-27 16:07:28,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:28,862 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:28,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:28,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:28,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:28,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:28" (1/1) ... [2019-11-27 16:07:28,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:28, skipping insertion in model container [2019-11-27 16:07:28,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:28" (1/1) ... [2019-11-27 16:07:28,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:28,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:29,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:29,439 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:29,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:29,552 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:29,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:29 WrapperNode [2019-11-27 16:07:29,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:29,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:29,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:29,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:29,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:29" (1/1) ... [2019-11-27 16:07:29,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:29" (1/1) ... [2019-11-27 16:07:29,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:29,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:29,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:29,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:29,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:29" (1/1) ... [2019-11-27 16:07:29,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:29" (1/1) ... [2019-11-27 16:07:29,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:29" (1/1) ... [2019-11-27 16:07:29,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:29" (1/1) ... [2019-11-27 16:07:29,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:29" (1/1) ... [2019-11-27 16:07:29,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:29" (1/1) ... [2019-11-27 16:07:29,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:29" (1/1) ... [2019-11-27 16:07:29,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:29,842 INFO L168 Benchmark]: Toolchain (without parser) took 962.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.2 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:29,844 INFO L168 Benchmark]: CDTParser took 0.26 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 16:07:29,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.22 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:29,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:29,854 INFO L168 Benchmark]: Boogie Preprocessor took 85.42 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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 16:07:29,864 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 691.22 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 176.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.42 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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...