./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cbmc-regression/float21_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cbmc-regression/float21_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941e668ccf070b9a219d3bc8afc49564f51e679a ........................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cbmc-regression/float21_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941e668ccf070b9a219d3bc8afc49564f51e679a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:56:04,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:56:04,823 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:56:04,843 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:56:04,843 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:56:04,844 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:56:04,848 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:56:04,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:56:04,855 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:56:04,857 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:56:04,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:56:04,860 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:56:04,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:56:04,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:56:04,865 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:56:04,866 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:56:04,867 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:56:04,876 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:56:04,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:56:04,883 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:56:04,884 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:56:04,888 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:56:04,892 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:56:04,892 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:56:04,893 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:56:04,894 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:56:04,897 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:56:04,897 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:56:04,898 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:56:04,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:56:04,899 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:56:04,902 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:56:04,903 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:56:04,903 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:56:04,904 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:56:04,904 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:56:04,905 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 07:56:04,937 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:56:04,937 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:56:04,938 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:56:04,940 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:56:04,940 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:56:04,940 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:56:04,941 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:56:04,941 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 07:56:04,941 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:56:04,941 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:56:04,941 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:56:04,942 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:56:04,942 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:56:04,943 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:56:04,943 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:56:04,943 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:56:04,943 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:56:04,943 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:56:04,944 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:56:04,945 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:56:04,945 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:56:04,945 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:56:04,946 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:56:04,946 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:56:04,946 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:56:04,946 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 07:56:04,947 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:56:04,947 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 07:56:04,947 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941e668ccf070b9a219d3bc8afc49564f51e679a [2019-01-12 07:56:04,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:56:05,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:56:05,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:56:05,028 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:56:05,029 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:56:05,029 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float21_true-unreach-call.i [2019-01-12 07:56:05,088 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2278843cd/0aff181bd7dd4085b6bf82364457f385/FLAGb8df8fb8a [2019-01-12 07:56:05,610 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:56:05,612 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float21_true-unreach-call.i [2019-01-12 07:56:05,628 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2278843cd/0aff181bd7dd4085b6bf82364457f385/FLAGb8df8fb8a [2019-01-12 07:56:05,869 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2278843cd/0aff181bd7dd4085b6bf82364457f385 [2019-01-12 07:56:05,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:56:05,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:56:05,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:56:05,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:56:05,885 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:56:05,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:56:05" (1/1) ... [2019-01-12 07:56:05,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a2acbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:05, skipping insertion in model container [2019-01-12 07:56:05,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:56:05" (1/1) ... [2019-01-12 07:56:05,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:56:05,973 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:56:06,609 FATAL L292 ToolchainWalker]: 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: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1678) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1321) 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:999) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) 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.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) 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.PRDispatcher.dispatch(PRDispatcher.java:303) 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.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:964) 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:1343) 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:3447) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) 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:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-12 07:56:06,618 INFO L168 Benchmark]: Toolchain (without parser) took 742.92 ms. Allocated memory is still 1.0 GB. Free memory was 935.2 MB in the beginning and 924.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:06,620 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:56:06,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.55 ms. Allocated memory is still 1.0 GB. Free memory was 935.2 MB in the beginning and 924.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:06,624 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 738.55 ms. Allocated memory is still 1.0 GB. Free memory was 935.2 MB in the beginning and 924.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:56:08,823 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:56:08,825 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:56:08,838 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:56:08,838 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:56:08,839 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:56:08,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:56:08,843 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:56:08,845 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:56:08,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:56:08,847 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:56:08,847 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:56:08,848 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:56:08,849 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:56:08,851 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:56:08,852 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:56:08,853 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:56:08,855 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:56:08,858 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:56:08,860 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:56:08,861 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:56:08,862 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:56:08,865 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:56:08,865 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:56:08,866 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:56:08,867 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:56:08,868 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:56:08,869 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:56:08,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:56:08,871 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:56:08,872 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:56:08,872 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:56:08,872 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:56:08,873 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:56:08,874 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:56:08,875 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:56:08,875 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 07:56:08,897 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:56:08,897 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:56:08,898 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:56:08,899 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:56:08,900 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:56:08,900 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:56:08,900 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:56:08,900 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:56:08,900 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:56:08,901 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:56:08,901 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:56:08,901 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:56:08,901 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 07:56:08,901 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 07:56:08,901 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:56:08,902 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:56:08,902 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:56:08,902 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:56:08,902 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:56:08,902 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:56:08,902 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:56:08,903 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:56:08,903 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:56:08,904 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:56:08,904 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:56:08,904 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:56:08,904 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 07:56:08,904 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:56:08,905 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 07:56:08,905 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 07:56:08,905 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941e668ccf070b9a219d3bc8afc49564f51e679a [2019-01-12 07:56:08,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:56:08,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:56:08,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:56:08,981 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:56:08,982 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:56:08,983 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float21_true-unreach-call.i [2019-01-12 07:56:09,052 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2313d14af/7662ff6b42724ed2b03834a93f8f1fd4/FLAG2fea8b636 [2019-01-12 07:56:09,662 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:56:09,662 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float21_true-unreach-call.i [2019-01-12 07:56:09,676 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2313d14af/7662ff6b42724ed2b03834a93f8f1fd4/FLAG2fea8b636 [2019-01-12 07:56:09,900 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2313d14af/7662ff6b42724ed2b03834a93f8f1fd4 [2019-01-12 07:56:09,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:56:09,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:56:09,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:56:09,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:56:09,913 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:56:09,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440af656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:09, skipping insertion in model container [2019-01-12 07:56:09,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:56:09" (1/1) ... [2019-01-12 07:56:09,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:56:09,983 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:56:10,631 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:56:10,640 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:56:10,711 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:56:11,221 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:56:11,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11 WrapperNode [2019-01-12 07:56:11,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:56:11,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:56:11,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:56:11,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:56:11,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11" (1/1) ... [2019-01-12 07:56:11,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11" (1/1) ... [2019-01-12 07:56:11,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:56:11,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:56:11,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:56:11,313 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:56:11,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11" (1/1) ... [2019-01-12 07:56:11,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11" (1/1) ... [2019-01-12 07:56:11,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11" (1/1) ... [2019-01-12 07:56:11,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11" (1/1) ... [2019-01-12 07:56:11,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11" (1/1) ... [2019-01-12 07:56:11,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11" (1/1) ... [2019-01-12 07:56:11,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11" (1/1) ... [2019-01-12 07:56:11,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:56:11,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:56:11,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:56:11,363 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:56:11,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11" (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 [2019-01-12 07:56:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:56:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:56:20,156 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:56:20,157 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-12 07:56:20,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:20 BoogieIcfgContainer [2019-01-12 07:56:20,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:56:20,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:56:20,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:56:20,163 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:56:20,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:56:09" (1/3) ... [2019-01-12 07:56:20,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4dcfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:56:20, skipping insertion in model container [2019-01-12 07:56:20,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:11" (2/3) ... [2019-01-12 07:56:20,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4dcfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:56:20, skipping insertion in model container [2019-01-12 07:56:20,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:20" (3/3) ... [2019-01-12 07:56:20,166 INFO L112 eAbstractionObserver]: Analyzing ICFG float21_true-unreach-call.i [2019-01-12 07:56:20,175 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:56:20,184 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2019-01-12 07:56:20,202 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2019-01-12 07:56:20,235 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:56:20,236 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:56:20,236 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:56:20,236 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:56:20,236 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:56:20,236 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:56:20,236 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:56:20,237 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:56:20,237 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:56:20,254 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-01-12 07:56:20,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-12 07:56:20,260 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:20,261 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-12 07:56:20,264 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:20,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:20,275 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-01-12 07:56:20,280 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:56:20,280 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 07:56:20,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:56:20,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:56:20,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:56:20,390 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:56:20,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:56:20,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:56:20,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:56:20,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:56:20,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:20,420 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 3 states. [2019-01-12 07:56:25,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:56:25,820 INFO L93 Difference]: Finished difference Result 89 states and 112 transitions. [2019-01-12 07:56:25,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:56:25,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-12 07:56:25,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:56:25,864 INFO L225 Difference]: With dead ends: 89 [2019-01-12 07:56:25,865 INFO L226 Difference]: Without dead ends: 40 [2019-01-12 07:56:25,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:25,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-01-12 07:56:25,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-01-12 07:56:25,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-12 07:56:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2019-01-12 07:56:25,899 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 4 [2019-01-12 07:56:25,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:56:25,899 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2019-01-12 07:56:25,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:56:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2019-01-12 07:56:25,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-12 07:56:25,900 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:25,900 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-12 07:56:25,901 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:25,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:25,901 INFO L82 PathProgramCache]: Analyzing trace with hash 889629862, now seen corresponding path program 1 times [2019-01-12 07:56:25,902 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:56:25,902 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 07:56:25,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:56:25,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:56:26,353 WARN L181 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 8 [2019-01-12 07:56:26,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:56:26,362 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:56:26,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:56:26,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 07:56:26,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 07:56:26,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 07:56:26,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 07:56:26,378 INFO L87 Difference]: Start difference. First operand 40 states and 39 transitions. Second operand 4 states. [2019-01-12 07:56:34,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:56:34,282 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2019-01-12 07:56:34,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 07:56:34,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-01-12 07:56:34,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:56:34,301 INFO L225 Difference]: With dead ends: 40 [2019-01-12 07:56:34,301 INFO L226 Difference]: Without dead ends: 38 [2019-01-12 07:56:34,302 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 07:56:34,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-01-12 07:56:34,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-01-12 07:56:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-01-12 07:56:34,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 37 transitions. [2019-01-12 07:56:34,307 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 37 transitions. Word has length 6 [2019-01-12 07:56:34,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:56:34,307 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 37 transitions. [2019-01-12 07:56:34,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 07:56:34,308 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 37 transitions. [2019-01-12 07:56:34,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-12 07:56:34,309 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:34,309 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:56:34,309 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:34,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:34,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1808726030, now seen corresponding path program 1 times [2019-01-12 07:56:34,311 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:56:34,311 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 07:56:34,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:56:34,342 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:56:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:56:34,393 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:56:34,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:56:34,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:56:34,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:56:34,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:56:34,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:34,405 INFO L87 Difference]: Start difference. First operand 38 states and 37 transitions. Second operand 3 states. [2019-01-12 07:56:39,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:56:39,670 INFO L93 Difference]: Finished difference Result 38 states and 37 transitions. [2019-01-12 07:56:39,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:56:39,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-12 07:56:39,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:56:39,680 INFO L225 Difference]: With dead ends: 38 [2019-01-12 07:56:39,681 INFO L226 Difference]: Without dead ends: 34 [2019-01-12 07:56:39,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:39,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-01-12 07:56:39,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-01-12 07:56:39,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-12 07:56:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2019-01-12 07:56:39,686 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 7 [2019-01-12 07:56:39,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:56:39,686 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2019-01-12 07:56:39,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:56:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2019-01-12 07:56:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 07:56:39,687 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:39,687 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:56:39,689 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:39,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:39,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1275915088, now seen corresponding path program 1 times [2019-01-12 07:56:39,690 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:56:39,690 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-01-12 07:56:39,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:56:39,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:56:40,284 WARN L181 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 8 [2019-01-12 07:56:40,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:56:40,347 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:56:40,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:56:40,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 07:56:40,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 07:56:40,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 07:56:40,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 07:56:40,359 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand 4 states. [2019-01-12 07:56:45,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:56:45,455 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2019-01-12 07:56:45,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 07:56:45,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-01-12 07:56:45,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:56:45,473 INFO L225 Difference]: With dead ends: 34 [2019-01-12 07:56:45,473 INFO L226 Difference]: Without dead ends: 32 [2019-01-12 07:56:45,474 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 07:56:45,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-01-12 07:56:45,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-01-12 07:56:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-01-12 07:56:45,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2019-01-12 07:56:45,479 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 9 [2019-01-12 07:56:45,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:56:45,479 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2019-01-12 07:56:45,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 07:56:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2019-01-12 07:56:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 07:56:45,479 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:45,480 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:56:45,481 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:45,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:45,481 INFO L82 PathProgramCache]: Analyzing trace with hash -898657963, now seen corresponding path program 1 times [2019-01-12 07:56:45,481 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:56:45,482 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-01-12 07:56:45,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:56:45,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:56:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:56:45,613 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:56:45,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:56:45,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:56:45,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:56:45,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:56:45,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:45,624 INFO L87 Difference]: Start difference. First operand 32 states and 31 transitions. Second operand 3 states. [2019-01-12 07:56:51,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:56:51,678 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2019-01-12 07:56:51,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:56:51,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-01-12 07:56:51,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:56:51,692 INFO L225 Difference]: With dead ends: 32 [2019-01-12 07:56:51,692 INFO L226 Difference]: Without dead ends: 28 [2019-01-12 07:56:51,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:51,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-01-12 07:56:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-01-12 07:56:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-01-12 07:56:51,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2019-01-12 07:56:51,698 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 10 [2019-01-12 07:56:51,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:56:51,698 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2019-01-12 07:56:51,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:56:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2019-01-12 07:56:51,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 07:56:51,700 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:51,700 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:56:51,702 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:51,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:51,702 INFO L82 PathProgramCache]: Analyzing trace with hash -321744451, now seen corresponding path program 1 times [2019-01-12 07:56:51,702 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:56:51,702 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-01-12 07:56:51,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:56:51,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:56:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:56:51,802 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:56:51,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:56:51,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:56:51,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:56:51,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:56:51,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:51,817 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 3 states. [2019-01-12 07:56:55,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:56:55,812 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2019-01-12 07:56:55,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:56:55,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-01-12 07:56:55,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:56:55,822 INFO L225 Difference]: With dead ends: 28 [2019-01-12 07:56:55,823 INFO L226 Difference]: Without dead ends: 26 [2019-01-12 07:56:55,823 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:55,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-01-12 07:56:55,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-01-12 07:56:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-01-12 07:56:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2019-01-12 07:56:55,826 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 12 [2019-01-12 07:56:55,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:56:55,827 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2019-01-12 07:56:55,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:56:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2019-01-12 07:56:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-12 07:56:55,827 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:55,828 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:56:55,830 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:55,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:55,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1384139264, now seen corresponding path program 1 times [2019-01-12 07:56:55,831 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:56:55,831 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-01-12 07:56:55,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:56:55,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:56:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:56:55,918 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:56:55,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:56:55,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:56:55,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:56:55,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:56:55,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:55,931 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand 3 states. [2019-01-12 07:57:00,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:57:00,202 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2019-01-12 07:57:00,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:57:00,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-01-12 07:57:00,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:57:00,212 INFO L225 Difference]: With dead ends: 26 [2019-01-12 07:57:00,212 INFO L226 Difference]: Without dead ends: 22 [2019-01-12 07:57:00,212 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:57:00,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-12 07:57:00,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-01-12 07:57:00,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-12 07:57:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2019-01-12 07:57:00,216 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 13 [2019-01-12 07:57:00,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:57:00,216 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2019-01-12 07:57:00,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:57:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2019-01-12 07:57:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 07:57:00,219 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:57:00,219 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:57:00,222 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:57:00,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:57:00,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1092299405, now seen corresponding path program 1 times [2019-01-12 07:57:00,223 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:57:00,223 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-01-12 07:57:00,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:57:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:57:00,458 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:57:00,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:57:00,573 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:57:00,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:57:00,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:57:00,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:57:00,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:57:00,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:57:00,597 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 3 states. [2019-01-12 07:57:03,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:57:03,450 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-01-12 07:57:03,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:57:03,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-01-12 07:57:03,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:57:03,462 INFO L225 Difference]: With dead ends: 22 [2019-01-12 07:57:03,462 INFO L226 Difference]: Without dead ends: 20 [2019-01-12 07:57:03,463 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:57:03,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-12 07:57:03,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-01-12 07:57:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-01-12 07:57:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2019-01-12 07:57:03,465 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 16 [2019-01-12 07:57:03,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:57:03,466 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2019-01-12 07:57:03,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:57:03,466 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2019-01-12 07:57:03,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-12 07:57:03,467 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:57:03,467 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:57:03,468 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:57:03,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:57:03,468 INFO L82 PathProgramCache]: Analyzing trace with hash 2023462034, now seen corresponding path program 1 times [2019-01-12 07:57:03,468 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:57:03,469 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-01-12 07:57:03,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:57:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:57:06,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:57:12,461 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 8 24))) (and (not (fp.eq ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ULTIMATE.start_main_~f~0)) ULTIMATE.start_main_~f~0)) (fp.isSubnormal ULTIMATE.start_main_~f~0))) is different from false [2019-01-12 07:57:14,485 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 8 24))) (and (not (fp.eq ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ULTIMATE.start_main_~f~0)) ULTIMATE.start_main_~f~0)) (fp.isSubnormal ULTIMATE.start_main_~f~0))) is different from true [2019-01-12 07:57:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:57:14,488 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:57:14,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:57:14,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:57:14,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 07:57:14,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 07:57:14,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2019-01-12 07:57:14,509 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 4 states. [2019-01-12 07:57:16,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:57:16,682 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2019-01-12 07:57:16,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 07:57:16,700 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-01-12 07:57:16,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:57:16,700 INFO L225 Difference]: With dead ends: 20 [2019-01-12 07:57:16,700 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 07:57:16,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2019-01-12 07:57:16,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 07:57:16,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 07:57:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 07:57:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 07:57:16,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-01-12 07:57:16,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:57:16,702 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 07:57:16,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 07:57:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 07:57:16,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 07:57:16,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 07:57:16,748 INFO L448 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2019-01-12 07:57:16,748 INFO L448 ceAbstractionStarter]: For program point L382-2(lines 365 390) no Hoare annotation was computed. [2019-01-12 07:57:16,748 INFO L448 ceAbstractionStarter]: For program point L374(line 374) no Hoare annotation was computed. [2019-01-12 07:57:16,749 INFO L448 ceAbstractionStarter]: For program point L374-2(line 374) no Hoare annotation was computed. [2019-01-12 07:57:16,749 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 388) no Hoare annotation was computed. [2019-01-12 07:57:16,749 INFO L448 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-01-12 07:57:16,749 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 07:57:16,749 INFO L448 ceAbstractionStarter]: For program point L383-2(lines 365 390) no Hoare annotation was computed. [2019-01-12 07:57:16,749 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 07:57:16,749 INFO L448 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2019-01-12 07:57:16,749 INFO L448 ceAbstractionStarter]: For program point L384-2(lines 365 390) no Hoare annotation was computed. [2019-01-12 07:57:16,750 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 383) no Hoare annotation was computed. [2019-01-12 07:57:16,750 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2019-01-12 07:57:16,750 INFO L448 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2019-01-12 07:57:16,750 INFO L448 ceAbstractionStarter]: For program point L385-2(line 385) no Hoare annotation was computed. [2019-01-12 07:57:16,750 INFO L448 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-01-12 07:57:16,750 INFO L448 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2019-01-12 07:57:16,750 INFO L448 ceAbstractionStarter]: For program point L377-3(lines 365 390) no Hoare annotation was computed. [2019-01-12 07:57:16,751 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 373) no Hoare annotation was computed. [2019-01-12 07:57:16,751 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2019-01-12 07:57:16,751 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2019-01-12 07:57:16,751 INFO L448 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2019-01-12 07:57:16,751 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 382) no Hoare annotation was computed. [2019-01-12 07:57:16,751 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 365 390) no Hoare annotation was computed. [2019-01-12 07:57:16,751 INFO L448 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-01-12 07:57:16,752 INFO L448 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2019-01-12 07:57:16,752 INFO L448 ceAbstractionStarter]: For program point L370-3(line 370) no Hoare annotation was computed. [2019-01-12 07:57:16,752 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 07:57:16,752 INFO L448 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-01-12 07:57:16,752 INFO L448 ceAbstractionStarter]: For program point L379-2(lines 365 390) no Hoare annotation was computed. [2019-01-12 07:57:16,752 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2019-01-12 07:57:16,752 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 385) no Hoare annotation was computed. [2019-01-12 07:57:16,752 INFO L448 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2019-01-12 07:57:16,753 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 374) no Hoare annotation was computed. [2019-01-12 07:57:16,753 INFO L448 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2019-01-12 07:57:16,753 INFO L448 ceAbstractionStarter]: For program point L388-3(line 388) no Hoare annotation was computed. [2019-01-12 07:57:16,753 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 07:57:16,753 INFO L448 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2019-01-12 07:57:16,753 INFO L448 ceAbstractionStarter]: For program point L380-2(lines 365 390) no Hoare annotation was computed. [2019-01-12 07:57:16,754 INFO L451 ceAbstractionStarter]: At program point L389(lines 364 390) the Hoare annotation is: true [2019-01-12 07:57:16,754 INFO L448 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2019-01-12 07:57:16,754 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 365 390) no Hoare annotation was computed. [2019-01-12 07:57:16,754 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 379) no Hoare annotation was computed. [2019-01-12 07:57:16,754 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2019-01-12 07:57:16,754 INFO L448 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-01-12 07:57:16,755 INFO L448 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2019-01-12 07:57:16,755 INFO L448 ceAbstractionStarter]: For program point L373-3(lines 365 390) no Hoare annotation was computed. [2019-01-12 07:57:16,755 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2019-01-12 07:57:16,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:57:16 BoogieIcfgContainer [2019-01-12 07:57:16,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:57:16,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:57:16,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:57:16,763 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:57:16,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:20" (3/4) ... [2019-01-12 07:57:16,768 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 07:57:16,780 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-12 07:57:16,781 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 07:57:16,781 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 07:57:16,843 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 07:57:16,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:57:16,844 INFO L168 Benchmark]: Toolchain (without parser) took 66939.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.3 MB in the beginning and 930.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 153.0 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:16,845 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:57:16,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1315.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 131.2 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:16,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:16,847 INFO L168 Benchmark]: Boogie Preprocessor took 50.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:57:16,847 INFO L168 Benchmark]: RCFGBuilder took 8795.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:16,848 INFO L168 Benchmark]: TraceAbstraction took 56602.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.4 MB in the end (delta: 164.6 MB). Peak memory consumption was 164.6 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:16,849 INFO L168 Benchmark]: Witness Printer took 80.36 ms. Allocated memory is still 1.2 GB. Free memory was 936.4 MB in the beginning and 930.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2019-01-12 07:57:16,853 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1315.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 131.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 8795.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 56602.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.4 MB in the end (delta: 164.6 MB). Peak memory consumption was 164.6 MB. Max. memory is 11.5 GB. * Witness Printer took 80.36 ms. Allocated memory is still 1.2 GB. Free memory was 936.4 MB in the beginning and 930.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 382]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 380]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 381]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 379]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 374]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 373]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 383]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 378]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 388]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 377]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 385]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 13 error locations. SAFE Result, 56.5s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 43.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 156 SDtfs, 160 SDslu, 64 SDs, 0 SdLazy, 116 SolverSat, 5 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 41.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 87 ConstructedInterpolants, 1 QuantifiedInterpolants, 7389 SizeOfPredicates, 16 NumberOfNonLiveVariables, 147 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...