./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/fdim.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/floats-esbmc-regression/fdim.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc3f75e5c316a5f090e4557f04dd9c8106a1ddce ................................................................................................................................................................... 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/floats-esbmc-regression/fdim.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc3f75e5c316a5f090e4557f04dd9c8106a1ddce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 22:56:50,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:56:50,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:56:50,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:56:50,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:56:50,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:56:50,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:56:50,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:56:50,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:56:50,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:56:50,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:56:50,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:56:50,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:56:50,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:56:50,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:56:50,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:56:50,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:56:50,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:56:50,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:56:50,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:56:50,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:56:50,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:56:51,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:56:51,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:56:51,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:56:51,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:56:51,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:56:51,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:56:51,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:56:51,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:56:51,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:56:51,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:56:51,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:56:51,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:56:51,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:56:51,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:56:51,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:56:51,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:56:51,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:56:51,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:56:51,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:56:51,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 22:56:51,064 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:56:51,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:56:51,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:56:51,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:56:51,069 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:56:51,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:56:51,071 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:56:51,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 22:56:51,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:56:51,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:56:51,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:56:51,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:56:51,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:56:51,073 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:56:51,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:56:51,073 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:56:51,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:56:51,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:56:51,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:56:51,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:56:51,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:56:51,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:56:51,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:56:51,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:56:51,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:56:51,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 22:56:51,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 22:56:51,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:56:51,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:56:51,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3f75e5c316a5f090e4557f04dd9c8106a1ddce [2020-10-24 22:56:51,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:56:51,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:56:51,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:56:51,616 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:56:51,618 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:56:51,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2020-10-24 22:56:51,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481bf72ff/fac8efd2bd484e1796a9ad40b77104c4/FLAG23d77a0e2 [2020-10-24 22:56:52,556 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:56:52,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2020-10-24 22:56:52,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481bf72ff/fac8efd2bd484e1796a9ad40b77104c4/FLAG23d77a0e2 [2020-10-24 22:56:52,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481bf72ff/fac8efd2bd484e1796a9ad40b77104c4 [2020-10-24 22:56:52,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:56:52,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:56:52,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:56:52,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:56:52,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:56:52,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:56:52" (1/1) ... [2020-10-24 22:56:52,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a3a1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:52, skipping insertion in model container [2020-10-24 22:56:52,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:56:52" (1/1) ... [2020-10-24 22:56:52,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:56:52,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:56:53,522 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1698) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 22:56:53,534 INFO L168 Benchmark]: Toolchain (without parser) took 763.01 ms. Allocated memory is still 46.1 MB. Free memory was 21.9 MB in the beginning and 20.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2020-10-24 22:56:53,536 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 37.7 MB. Free memory was 17.9 MB in the beginning and 17.8 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:56:53,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.72 ms. Allocated memory is still 46.1 MB. Free memory was 21.2 MB in the beginning and 20.7 MB in the end (delta: 541.9 kB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2020-10-24 22:56:53,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 37.7 MB. Free memory was 17.9 MB in the beginning and 17.8 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 752.72 ms. Allocated memory is still 46.1 MB. Free memory was 21.2 MB in the beginning and 20.7 MB in the end (delta: 541.9 kB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 22:56:56,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:56:56,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:56:56,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:56:56,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:56:56,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:56:56,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:56:56,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:56:56,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:56:56,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:56:56,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:56:56,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:56:56,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:56:56,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:56:56,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:56:56,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:56:56,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:56:56,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:56:56,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:56:56,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:56:56,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:56:56,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:56:56,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:56:56,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:56:56,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:56:56,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:56:56,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:56:56,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:56:56,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:56:56,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:56:56,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:56:56,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:56:56,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:56:56,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:56:56,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:56:56,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:56:56,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:56:56,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:56:56,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:56:56,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:56:56,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:56:56,187 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 22:56:56,223 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:56:56,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:56:56,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:56:56,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:56:56,226 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:56:56,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:56:56,226 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:56:56,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:56:56,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:56:56,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:56:56,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:56:56,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:56:56,227 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 22:56:56,228 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 22:56:56,228 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:56:56,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:56:56,228 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:56:56,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:56:56,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:56:56,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:56:56,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:56:56,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:56:56,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:56:56,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:56:56,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:56:56,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:56:56,230 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 22:56:56,230 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 22:56:56,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:56:56,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:56:56,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 22:56:56,231 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3f75e5c316a5f090e4557f04dd9c8106a1ddce [2020-10-24 22:56:56,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:56:56,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:56:56,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:56:56,735 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:56:56,736 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:56:56,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2020-10-24 22:56:56,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a260040d6/2b0f9198d0c846b38e01e71574d12083/FLAGf8b0385ff [2020-10-24 22:56:57,563 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:56:57,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2020-10-24 22:56:57,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a260040d6/2b0f9198d0c846b38e01e71574d12083/FLAGf8b0385ff [2020-10-24 22:56:57,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a260040d6/2b0f9198d0c846b38e01e71574d12083 [2020-10-24 22:56:57,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:56:57,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:56:57,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:56:57,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:56:57,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:56:57,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:56:57" (1/1) ... [2020-10-24 22:56:57,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4c0cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:57, skipping insertion in model container [2020-10-24 22:56:57,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:56:57" (1/1) ... [2020-10-24 22:56:57,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:56:57,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:56:58,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:56:58,553 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 22:56:58,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:56:58,957 INFO L208 MainTranslator]: Completed translation [2020-10-24 22:56:58,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58 WrapperNode [2020-10-24 22:56:58,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 22:56:58,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 22:56:58,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 22:56:58,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 22:56:58,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58" (1/1) ... [2020-10-24 22:56:59,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58" (1/1) ... [2020-10-24 22:56:59,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 22:56:59,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 22:56:59,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 22:56:59,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 22:56:59,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58" (1/1) ... [2020-10-24 22:56:59,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58" (1/1) ... [2020-10-24 22:56:59,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58" (1/1) ... [2020-10-24 22:56:59,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58" (1/1) ... [2020-10-24 22:56:59,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58" (1/1) ... [2020-10-24 22:56:59,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58" (1/1) ... [2020-10-24 22:56:59,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58" (1/1) ... [2020-10-24 22:56:59,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 22:56:59,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 22:56:59,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 22:56:59,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 22:56:59,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:56:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 22:56:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 22:56:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 22:56:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 22:56:59,608 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 22:56:59,609 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-24 22:56:59,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:56:59 BoogieIcfgContainer [2020-10-24 22:56:59,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 22:56:59,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 22:56:59,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 22:56:59,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 22:56:59,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:56:57" (1/3) ... [2020-10-24 22:56:59,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5fa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:56:59, skipping insertion in model container [2020-10-24 22:56:59,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:58" (2/3) ... [2020-10-24 22:56:59,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5fa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:56:59, skipping insertion in model container [2020-10-24 22:56:59,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:56:59" (3/3) ... [2020-10-24 22:56:59,621 INFO L111 eAbstractionObserver]: Analyzing ICFG fdim.i [2020-10-24 22:56:59,635 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 22:56:59,641 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 22:56:59,665 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 22:56:59,700 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 22:56:59,700 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 22:56:59,700 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 22:56:59,701 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 22:56:59,701 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 22:56:59,701 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 22:56:59,701 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 22:56:59,702 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 22:56:59,717 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-24 22:56:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-24 22:56:59,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:56:59,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-24 22:56:59,725 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:56:59,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:56:59,731 INFO L82 PathProgramCache]: Analyzing trace with hash 889506790, now seen corresponding path program 1 times [2020-10-24 22:56:59,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:56:59,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985217338] [2020-10-24 22:56:59,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 22:56:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:56:59,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-24 22:56:59,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 22:56:59,966 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 22:56:59,969 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-24 22:56:59,971 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-24 22:56:59,973 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:56:59,975 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:56:59,977 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:56:59,978 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:56:59,980 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,005 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,006 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,022 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,024 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,028 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,043 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,044 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,059 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-24 22:57:00,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,062 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,064 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,065 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,066 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,083 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,084 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,099 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,100 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,101 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,102 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,116 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,117 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,133 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,134 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,135 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,136 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,137 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,151 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,152 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,167 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,168 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,169 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,184 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,185 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,199 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-24 22:57:00,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-24 22:57:00,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,202 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,203 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,204 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,205 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,218 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,219 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,235 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,237 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,239 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,254 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,256 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,272 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-24 22:57:00,273 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,277 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,278 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,279 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,279 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,293 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,295 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,313 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,315 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,316 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,318 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,335 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,336 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,354 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,355 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,357 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,376 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,377 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,397 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,398 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,399 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,418 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,421 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,439 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 22:57:00,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-24 22:57:00,441 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-24 22:57:00,442 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,452 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,453 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,458 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,478 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,479 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,498 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,499 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,500 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,501 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,517 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,518 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,532 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,534 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,535 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,535 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,536 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,554 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,569 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,570 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,570 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,571 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,584 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,585 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,601 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-24 22:57:00,602 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,603 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,604 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,605 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,605 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,629 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,629 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,642 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,642 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,643 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,644 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,644 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,668 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-24 22:57:00,669 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-24 22:57:00,670 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,670 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,671 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,672 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,672 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,685 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,686 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,698 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,699 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,699 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,700 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,714 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,714 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,729 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,730 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,731 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,731 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,732 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,744 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,760 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,762 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,762 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-24 22:57:00,791 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-24 22:57:00,792 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,793 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,794 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,794 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,795 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,809 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,811 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,829 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,829 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,830 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-24 22:57:00,831 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,831 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,846 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,847 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-24 22:57:00,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:57:00,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 22:57:00,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:57:00,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985217338] [2020-10-24 22:57:00,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:57:00,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-10-24 22:57:00,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433024533] [2020-10-24 22:57:00,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 22:57:00,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 22:57:00,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 22:57:00,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 22:57:00,981 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 4 states. [2020-10-24 22:57:01,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:57:01,156 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2020-10-24 22:57:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 22:57:01,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-24 22:57:01,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:57:01,168 INFO L225 Difference]: With dead ends: 54 [2020-10-24 22:57:01,168 INFO L226 Difference]: Without dead ends: 15 [2020-10-24 22:57:01,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 22:57:01,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-24 22:57:01,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-24 22:57:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-24 22:57:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-10-24 22:57:01,214 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 6 [2020-10-24 22:57:01,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:57:01,214 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-10-24 22:57:01,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 22:57:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-10-24 22:57:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 22:57:01,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:57:01,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:57:01,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 22:57:01,431 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:57:01,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:57:01,434 INFO L82 PathProgramCache]: Analyzing trace with hash -533815118, now seen corresponding path program 1 times [2020-10-24 22:57:01,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:57:01,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363510481] [2020-10-24 22:57:01,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 22:57:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:57:01,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-24 22:57:01,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 22:57:01,823 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 5 [2020-10-24 22:57:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:57:01,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 22:57:04,871 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 84 DAG size of output: 7 [2020-10-24 22:57:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:57:04,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363510481] [2020-10-24 22:57:04,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:57:04,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-24 22:57:04,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962437535] [2020-10-24 22:57:04,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 22:57:04,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 22:57:04,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 22:57:04,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-24 22:57:04,880 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 6 states. [2020-10-24 22:57:05,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:57:05,009 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2020-10-24 22:57:05,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 22:57:05,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-24 22:57:05,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:57:05,018 INFO L225 Difference]: With dead ends: 15 [2020-10-24 22:57:05,018 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 22:57:05,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-24 22:57:05,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 22:57:05,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 22:57:05,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 22:57:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 22:57:05,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-24 22:57:05,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:57:05,020 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 22:57:05,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 22:57:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 22:57:05,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 22:57:05,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 22:57:05,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 22:57:05,306 INFO L274 CegarLoopResult]: For program point L877-12(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,306 INFO L274 CegarLoopResult]: For program point L877-14(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,306 INFO L274 CegarLoopResult]: For program point L877-15(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,306 INFO L274 CegarLoopResult]: For program point L877-16(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,306 INFO L274 CegarLoopResult]: For program point L877-18(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,307 INFO L274 CegarLoopResult]: For program point L877-19(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,307 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,307 INFO L274 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-10-24 22:57:05,307 INFO L274 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-10-24 22:57:05,307 INFO L270 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2020-10-24 22:57:05,308 INFO L274 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-10-24 22:57:05,308 INFO L274 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-10-24 22:57:05,308 INFO L270 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2020-10-24 22:57:05,308 INFO L274 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-10-24 22:57:05,308 INFO L274 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-10-24 22:57:05,308 INFO L270 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2020-10-24 22:57:05,308 INFO L274 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-10-24 22:57:05,308 INFO L274 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-10-24 22:57:05,308 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 22:57:05,309 INFO L270 CegarLoopResult]: At program point L878-15(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2020-10-24 22:57:05,309 INFO L274 CegarLoopResult]: For program point L878-16(line 878) no Hoare annotation was computed. [2020-10-24 22:57:05,309 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,309 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 22:57:05,309 INFO L274 CegarLoopResult]: For program point L878-17(line 878) no Hoare annotation was computed. [2020-10-24 22:57:05,309 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 22:57:05,309 INFO L270 CegarLoopResult]: At program point L878-19(lines 1 888) the Hoare annotation is: (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) [2020-10-24 22:57:05,309 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,310 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 22:57:05,310 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,310 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,310 INFO L274 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,310 INFO L274 CegarLoopResult]: For program point L877-2(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,310 INFO L274 CegarLoopResult]: For program point L877-3(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,310 INFO L274 CegarLoopResult]: For program point L877-4(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,310 INFO L274 CegarLoopResult]: For program point L877-6(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,310 INFO L274 CegarLoopResult]: For program point L877-7(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,311 INFO L274 CegarLoopResult]: For program point L877-8(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,311 INFO L274 CegarLoopResult]: For program point L877-10(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,311 INFO L274 CegarLoopResult]: For program point L877-11(line 877) no Hoare annotation was computed. [2020-10-24 22:57:05,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,338 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:57:05 BoogieIcfgContainer [2020-10-24 22:57:05,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 22:57:05,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 22:57:05,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 22:57:05,343 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 22:57:05,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:56:59" (3/4) ... [2020-10-24 22:57:05,348 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 22:57:05,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-10-24 22:57:05,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-24 22:57:05,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-24 22:57:05,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 22:57:05,364 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 22:57:05,421 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 22:57:05,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 22:57:05,423 INFO L168 Benchmark]: Toolchain (without parser) took 7563.09 ms. Allocated memory was 48.2 MB in the beginning and 86.0 MB in the end (delta: 37.7 MB). Free memory was 24.0 MB in the beginning and 61.3 MB in the end (delta: -37.3 MB). Peak memory consumption was 898.5 kB. Max. memory is 16.1 GB. [2020-10-24 22:57:05,424 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 48.2 MB. Free memory is still 29.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:57:05,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1092.20 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 19.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-10-24 22:57:05,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.04 ms. Allocated memory is still 58.7 MB. Free memory was 19.6 MB in the beginning and 16.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 22:57:05,426 INFO L168 Benchmark]: Boogie Preprocessor took 35.32 ms. Allocated memory is still 58.7 MB. Free memory was 16.5 MB in the beginning and 15.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:57:05,427 INFO L168 Benchmark]: RCFGBuilder took 520.77 ms. Allocated memory is still 58.7 MB. Free memory was 15.4 MB in the beginning and 24.2 MB in the end (delta: -8.9 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-10-24 22:57:05,427 INFO L168 Benchmark]: TraceAbstraction took 5728.99 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 23.8 MB in the beginning and 64.8 MB in the end (delta: -41.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-10-24 22:57:05,428 INFO L168 Benchmark]: Witness Printer took 78.85 ms. Allocated memory is still 86.0 MB. Free memory was 64.0 MB in the beginning and 61.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 22:57:05,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 48.2 MB. Free memory is still 29.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1092.20 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 19.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.04 ms. Allocated memory is still 58.7 MB. Free memory was 19.6 MB in the beginning and 16.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.32 ms. Allocated memory is still 58.7 MB. Free memory was 16.5 MB in the beginning and 15.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 520.77 ms. Allocated memory is still 58.7 MB. Free memory was 15.4 MB in the beginning and 24.2 MB in the end (delta: -8.9 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5728.99 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 23.8 MB in the beginning and 64.8 MB in the end (delta: -41.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * Witness Printer took 78.85 ms. Allocated memory is still 86.0 MB. Free memory was 64.0 MB in the beginning and 61.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant [2020-10-24 22:57:05,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 878]: Loop Invariant [2020-10-24 22:57:05,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 878]: Loop Invariant [2020-10-24 22:57:05,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,445 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: !(cond == 0bv32) - InvariantResult [Line: 878]: Loop Invariant [2020-10-24 22:57:05,446 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:57:05,446 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:57:05,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 10 SDslu, 12 SDs, 0 SdLazy, 18 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 40 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1918 SizeOfPredicates, 7 NumberOfNonLiveVariables, 74 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...