./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0877.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0877.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 14:18:46,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 14:18:46,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 14:18:46,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 14:18:46,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 14:18:46,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 14:18:46,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 14:18:46,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 14:18:46,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 14:18:46,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 14:18:46,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 14:18:46,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 14:18:46,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 14:18:46,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 14:18:46,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 14:18:46,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 14:18:46,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 14:18:46,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 14:18:46,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 14:18:46,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 14:18:46,858 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 14:18:46,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 14:18:46,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 14:18:46,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 14:18:46,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 14:18:46,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 14:18:46,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 14:18:46,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 14:18:46,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 14:18:46,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 14:18:46,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 14:18:46,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 14:18:46,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 14:18:46,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 14:18:46,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 14:18:46,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 14:18:46,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 14:18:46,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 14:18:46,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 14:18:46,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 14:18:46,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 14:18:46,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 14:18:46,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 14:18:46,914 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 14:18:46,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 14:18:46,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 14:18:46,915 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 14:18:46,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 14:18:46,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 14:18:46,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 14:18:46,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 14:18:46,917 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 14:18:46,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 14:18:46,918 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 14:18:46,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 14:18:46,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 14:18:46,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 14:18:46,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 14:18:46,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 14:18:46,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 14:18:46,919 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 14:18:46,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 14:18:46,919 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 14:18:46,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 14:18:46,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 14:18:46,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 14:18:46,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 14:18:46,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 14:18:46,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 14:18:46,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 14:18:46,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 14:18:46,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 14:18:46,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 14:18:46,922 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 14:18:46,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 14:18:46,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 14:18:46,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 [2022-07-19 14:18:47,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 14:18:47,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 14:18:47,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 14:18:47,200 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 14:18:47,201 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 14:18:47,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2022-07-19 14:18:47,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f0c8c4a/40f2d550b9dd4e98a76c8edaeb9f1d72/FLAG169d9adda [2022-07-19 14:18:47,708 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 14:18:47,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2022-07-19 14:18:47,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f0c8c4a/40f2d550b9dd4e98a76c8edaeb9f1d72/FLAG169d9adda [2022-07-19 14:18:48,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f0c8c4a/40f2d550b9dd4e98a76c8edaeb9f1d72 [2022-07-19 14:18:48,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 14:18:48,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 14:18:48,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 14:18:48,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 14:18:48,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 14:18:48,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 02:18:48" (1/1) ... [2022-07-19 14:18:48,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebdc2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:48, skipping insertion in model container [2022-07-19 14:18:48,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 02:18:48" (1/1) ... [2022-07-19 14:18:48,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 14:18:48,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 14:18:48,467 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:837) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$50(StandardFunctionHandler.java:415) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1447) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2039) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1650) 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:1081) 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.visit(CHandler.java:1627) 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:1081) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) 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:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-19 14:18:48,475 INFO L158 Benchmark]: Toolchain (without parser) took 393.92ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 62.9MB in the beginning and 88.8MB in the end (delta: -25.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 14:18:48,476 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 14:18:48,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.12ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 62.6MB in the beginning and 88.8MB in the end (delta: -26.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 14:18:48,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.12ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 62.6MB in the beginning and 88.8MB in the end (delta: -26.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:837) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0877.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 14:18:50,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 14:18:50,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 14:18:50,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 14:18:50,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 14:18:50,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 14:18:50,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 14:18:50,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 14:18:50,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 14:18:50,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 14:18:50,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 14:18:50,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 14:18:50,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 14:18:50,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 14:18:50,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 14:18:50,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 14:18:50,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 14:18:50,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 14:18:50,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 14:18:50,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 14:18:50,393 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 14:18:50,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 14:18:50,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 14:18:50,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 14:18:50,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 14:18:50,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 14:18:50,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 14:18:50,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 14:18:50,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 14:18:50,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 14:18:50,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 14:18:50,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 14:18:50,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 14:18:50,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 14:18:50,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 14:18:50,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 14:18:50,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 14:18:50,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 14:18:50,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 14:18:50,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 14:18:50,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 14:18:50,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 14:18:50,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-19 14:18:50,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 14:18:50,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 14:18:50,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 14:18:50,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 14:18:50,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 14:18:50,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 14:18:50,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 14:18:50,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 14:18:50,468 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 14:18:50,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 14:18:50,469 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 14:18:50,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 14:18:50,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 14:18:50,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 14:18:50,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 14:18:50,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 14:18:50,470 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 14:18:50,470 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 14:18:50,471 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 14:18:50,471 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 14:18:50,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 14:18:50,471 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 14:18:50,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 14:18:50,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 14:18:50,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 14:18:50,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 14:18:50,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 14:18:50,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 14:18:50,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 14:18:50,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 14:18:50,473 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 14:18:50,474 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 14:18:50,474 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 14:18:50,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 14:18:50,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 14:18:50,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 14:18:50,475 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 [2022-07-19 14:18:50,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 14:18:50,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 14:18:50,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 14:18:50,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 14:18:50,830 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 14:18:50,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2022-07-19 14:18:50,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6eb918ac/a1823081d677430cbe90890d97b413ca/FLAG30cf5e667 [2022-07-19 14:18:51,427 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 14:18:51,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2022-07-19 14:18:51,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6eb918ac/a1823081d677430cbe90890d97b413ca/FLAG30cf5e667 [2022-07-19 14:18:51,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6eb918ac/a1823081d677430cbe90890d97b413ca [2022-07-19 14:18:51,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 14:18:51,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 14:18:51,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 14:18:51,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 14:18:51,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 14:18:51,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 02:18:51" (1/1) ... [2022-07-19 14:18:51,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efd98ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:51, skipping insertion in model container [2022-07-19 14:18:51,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 02:18:51" (1/1) ... [2022-07-19 14:18:51,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 14:18:51,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 14:18:52,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0877.c[14284,14297] [2022-07-19 14:18:52,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 14:18:52,156 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 14:18:52,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0877.c[14284,14297] [2022-07-19 14:18:52,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 14:18:52,293 INFO L208 MainTranslator]: Completed translation [2022-07-19 14:18:52,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52 WrapperNode [2022-07-19 14:18:52,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 14:18:52,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 14:18:52,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 14:18:52,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 14:18:52,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52" (1/1) ... [2022-07-19 14:18:52,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52" (1/1) ... [2022-07-19 14:18:52,388 INFO L137 Inliner]: procedures = 27, calls = 197, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 735 [2022-07-19 14:18:52,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 14:18:52,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 14:18:52,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 14:18:52,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 14:18:52,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52" (1/1) ... [2022-07-19 14:18:52,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52" (1/1) ... [2022-07-19 14:18:52,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52" (1/1) ... [2022-07-19 14:18:52,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52" (1/1) ... [2022-07-19 14:18:52,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52" (1/1) ... [2022-07-19 14:18:52,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52" (1/1) ... [2022-07-19 14:18:52,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52" (1/1) ... [2022-07-19 14:18:52,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 14:18:52,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 14:18:52,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 14:18:52,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 14:18:52,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52" (1/1) ... [2022-07-19 14:18:52,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 14:18:52,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 14:18:52,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 14:18:52,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 14:18:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 14:18:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 14:18:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 14:18:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-19 14:18:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-07-19 14:18:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-07-19 14:18:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 14:18:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-19 14:18:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-19 14:18:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-19 14:18:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-19 14:18:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 14:18:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 14:18:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 14:18:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 14:18:52,733 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 14:18:52,734 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 14:19:16,951 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 14:19:16,957 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 14:19:16,957 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2022-07-19 14:19:16,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 02:19:16 BoogieIcfgContainer [2022-07-19 14:19:16,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 14:19:16,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 14:19:16,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 14:19:16,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 14:19:16,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 02:18:51" (1/3) ... [2022-07-19 14:19:16,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39474f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 02:19:16, skipping insertion in model container [2022-07-19 14:19:16,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:18:52" (2/3) ... [2022-07-19 14:19:16,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39474f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 02:19:16, skipping insertion in model container [2022-07-19 14:19:16,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 02:19:16" (3/3) ... [2022-07-19 14:19:16,966 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0877.c [2022-07-19 14:19:16,978 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 14:19:16,978 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 14:19:17,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 14:19:17,035 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@18d9f264, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@39ee5400 [2022-07-19 14:19:17,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 14:19:17,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 199 states, 190 states have (on average 1.7157894736842105) internal successors, (326), 191 states have internal predecessors, (326), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:19:17,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-19 14:19:17,050 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:19:17,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:19:17,051 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:19:17,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:19:17,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2090504015, now seen corresponding path program 1 times [2022-07-19 14:19:17,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:19:17,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197851179] [2022-07-19 14:19:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:19:17,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:19:17,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:19:17,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:19:17,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 14:19:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:19:17,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-19 14:19:17,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:19:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:19:17,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:19:17,978 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:19:17,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197851179] [2022-07-19 14:19:17,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [197851179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:19:17,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:19:17,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 14:19:17,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358018821] [2022-07-19 14:19:17,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:19:17,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 14:19:17,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:19:18,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 14:19:18,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 14:19:18,007 INFO L87 Difference]: Start difference. First operand has 199 states, 190 states have (on average 1.7157894736842105) internal successors, (326), 191 states have internal predecessors, (326), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:19:18,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:19:18,045 INFO L93 Difference]: Finished difference Result 395 states and 673 transitions. [2022-07-19 14:19:18,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 14:19:18,047 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-07-19 14:19:18,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:19:18,054 INFO L225 Difference]: With dead ends: 395 [2022-07-19 14:19:18,055 INFO L226 Difference]: Without dead ends: 195 [2022-07-19 14:19:18,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 14:19:18,061 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 14:19:18,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 14:19:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-07-19 14:19:18,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-07-19 14:19:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 187 states have (on average 1.3262032085561497) internal successors, (248), 187 states have internal predecessors, (248), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:19:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 258 transitions. [2022-07-19 14:19:18,108 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 258 transitions. Word has length 20 [2022-07-19 14:19:18,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:19:18,108 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 258 transitions. [2022-07-19 14:19:18,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:19:18,109 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2022-07-19 14:19:18,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 14:19:18,110 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:19:18,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:19:18,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 14:19:18,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:19:18,324 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:19:18,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:19:18,324 INFO L85 PathProgramCache]: Analyzing trace with hash -85606773, now seen corresponding path program 1 times [2022-07-19 14:19:18,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:19:18,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407434291] [2022-07-19 14:19:18,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:19:18,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:19:18,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:19:18,327 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:19:18,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 14:19:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:19:19,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-19 14:19:19,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:19:19,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:19:19,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:19:19,876 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:19:19,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407434291] [2022-07-19 14:19:19,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407434291] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:19:19,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:19:19,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 14:19:19,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938518643] [2022-07-19 14:19:19,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:19:19,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 14:19:19,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:19:19,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 14:19:19,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 14:19:19,880 INFO L87 Difference]: Start difference. First operand 195 states and 258 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:19:19,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:19:19,907 INFO L93 Difference]: Finished difference Result 203 states and 265 transitions. [2022-07-19 14:19:19,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 14:19:19,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-19 14:19:19,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:19:19,913 INFO L225 Difference]: With dead ends: 203 [2022-07-19 14:19:19,913 INFO L226 Difference]: Without dead ends: 195 [2022-07-19 14:19:19,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 14:19:19,916 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 0 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 14:19:19,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1226 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 38 Unchecked, 0.0s Time] [2022-07-19 14:19:19,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-07-19 14:19:19,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-07-19 14:19:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 187 states have (on average 1.320855614973262) internal successors, (247), 187 states have internal predecessors, (247), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:19:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 257 transitions. [2022-07-19 14:19:19,932 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 257 transitions. Word has length 25 [2022-07-19 14:19:19,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:19:19,933 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 257 transitions. [2022-07-19 14:19:19,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:19:19,934 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 257 transitions. [2022-07-19 14:19:19,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-19 14:19:19,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:19:19,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:19:19,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 14:19:20,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:19:20,152 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:19:20,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:19:20,152 INFO L85 PathProgramCache]: Analyzing trace with hash 727300614, now seen corresponding path program 1 times [2022-07-19 14:19:20,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:19:20,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457977718] [2022-07-19 14:19:20,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:19:20,153 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:19:20,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:19:20,155 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:19:20,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 14:19:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:19:21,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-19 14:19:21,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:19:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:19:22,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:19:22,080 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:19:22,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457977718] [2022-07-19 14:19:22,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [457977718] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:19:22,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:19:22,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 14:19:22,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116584578] [2022-07-19 14:19:22,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:19:22,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 14:19:22,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:19:22,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 14:19:22,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 14:19:22,083 INFO L87 Difference]: Start difference. First operand 195 states and 257 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:19:24,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:19:25,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:19:25,075 INFO L93 Difference]: Finished difference Result 211 states and 271 transitions. [2022-07-19 14:19:25,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 14:19:25,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-07-19 14:19:25,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:19:25,078 INFO L225 Difference]: With dead ends: 211 [2022-07-19 14:19:25,078 INFO L226 Difference]: Without dead ends: 203 [2022-07-19 14:19:25,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 14:19:25,080 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 8 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 42 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-19 14:19:25,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1438 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 42 Unchecked, 3.0s Time] [2022-07-19 14:19:25,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-07-19 14:19:25,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 195. [2022-07-19 14:19:25,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 187 states have (on average 1.3155080213903743) internal successors, (246), 187 states have internal predecessors, (246), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:19:25,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 256 transitions. [2022-07-19 14:19:25,103 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 256 transitions. Word has length 27 [2022-07-19 14:19:25,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:19:25,104 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 256 transitions. [2022-07-19 14:19:25,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:19:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 256 transitions. [2022-07-19 14:19:25,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-19 14:19:25,105 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:19:25,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:19:25,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 14:19:25,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:19:25,308 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:19:25,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:19:25,309 INFO L85 PathProgramCache]: Analyzing trace with hash -82046012, now seen corresponding path program 1 times [2022-07-19 14:19:25,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:19:25,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781294995] [2022-07-19 14:19:25,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:19:25,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:19:25,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:19:25,311 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:19:25,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 14:19:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:19:26,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 32 conjunts are in the unsatisfiable core [2022-07-19 14:19:26,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:19:26,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-19 14:19:26,920 INFO L356 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-07-19 14:19:26,921 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2022-07-19 14:19:28,736 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-07-19 14:19:28,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 35 [2022-07-19 14:19:29,523 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2022-07-19 14:19:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:19:30,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:19:30,513 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:19:30,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781294995] [2022-07-19 14:19:30,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781294995] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:19:30,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:19:30,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 14:19:30,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48250916] [2022-07-19 14:19:30,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:19:30,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 14:19:30,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:19:30,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 14:19:30,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-07-19 14:19:30,517 INFO L87 Difference]: Start difference. First operand 195 states and 256 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:19:36,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:19:39,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 14:19:41,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 14:19:44,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:19:46,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:19:48,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:19:51,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:19:53,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:19:55,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 14:19:57,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 14:20:00,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:20:03,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:20:03,810 INFO L93 Difference]: Finished difference Result 203 states and 263 transitions. [2022-07-19 14:20:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 14:20:03,823 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-07-19 14:20:03,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:20:03,825 INFO L225 Difference]: With dead ends: 203 [2022-07-19 14:20:03,825 INFO L226 Difference]: Without dead ends: 194 [2022-07-19 14:20:03,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-07-19 14:20:03,827 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 2 mSDsluCounter, 1868 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2111 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 285 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2022-07-19 14:20:03,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2111 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 8 Unknown, 285 Unchecked, 33.1s Time] [2022-07-19 14:20:03,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-19 14:20:03,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-07-19 14:20:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 186 states have (on average 1.3118279569892473) internal successors, (244), 186 states have internal predecessors, (244), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:20:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2022-07-19 14:20:03,850 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 254 transitions. Word has length 27 [2022-07-19 14:20:03,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:20:03,850 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-07-19 14:20:03,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:03,851 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2022-07-19 14:20:03,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-19 14:20:03,852 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:20:03,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:20:03,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 14:20:04,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:20:04,068 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:20:04,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:20:04,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2001119024, now seen corresponding path program 1 times [2022-07-19 14:20:04,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:20:04,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848028443] [2022-07-19 14:20:04,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:20:04,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:20:04,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:20:04,070 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:20:04,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 14:20:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:20:05,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-19 14:20:05,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:20:05,153 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-19 14:20:05,618 INFO L356 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-07-19 14:20:05,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2022-07-19 14:20:07,054 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2022-07-19 14:20:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:20:08,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:20:08,542 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:20:08,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848028443] [2022-07-19 14:20:08,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1848028443] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:20:08,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:20:08,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 14:20:08,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301692599] [2022-07-19 14:20:08,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:20:08,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 14:20:08,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:20:08,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 14:20:08,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-19 14:20:08,544 INFO L87 Difference]: Start difference. First operand 194 states and 254 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:08,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:20:08,837 INFO L93 Difference]: Finished difference Result 242 states and 319 transitions. [2022-07-19 14:20:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 14:20:08,837 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-07-19 14:20:08,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:20:08,841 INFO L225 Difference]: With dead ends: 242 [2022-07-19 14:20:08,841 INFO L226 Difference]: Without dead ends: 234 [2022-07-19 14:20:08,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-07-19 14:20:08,846 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 57 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 2153 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 276 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 14:20:08,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 2153 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 276 Unchecked, 0.1s Time] [2022-07-19 14:20:08,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-07-19 14:20:08,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 196. [2022-07-19 14:20:08,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 188 states have (on average 1.3138297872340425) internal successors, (247), 188 states have internal predecessors, (247), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:20:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 257 transitions. [2022-07-19 14:20:08,870 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 257 transitions. Word has length 29 [2022-07-19 14:20:08,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:20:08,871 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 257 transitions. [2022-07-19 14:20:08,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:08,871 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 257 transitions. [2022-07-19 14:20:08,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-19 14:20:08,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:20:08,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:20:08,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-19 14:20:09,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:20:09,082 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:20:09,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:20:09,082 INFO L85 PathProgramCache]: Analyzing trace with hash -425950886, now seen corresponding path program 1 times [2022-07-19 14:20:09,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:20:09,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345427236] [2022-07-19 14:20:09,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:20:09,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:20:09,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:20:09,085 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:20:09,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 14:20:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:20:10,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-19 14:20:10,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:20:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:20:10,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:20:10,941 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:20:10,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345427236] [2022-07-19 14:20:10,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345427236] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:20:10,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:20:10,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 14:20:10,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130379287] [2022-07-19 14:20:10,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:20:10,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 14:20:10,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:20:10,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 14:20:10,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 14:20:10,943 INFO L87 Difference]: Start difference. First operand 196 states and 257 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:10,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:20:10,951 INFO L93 Difference]: Finished difference Result 368 states and 479 transitions. [2022-07-19 14:20:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 14:20:10,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-19 14:20:10,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:20:10,953 INFO L225 Difference]: With dead ends: 368 [2022-07-19 14:20:10,953 INFO L226 Difference]: Without dead ends: 196 [2022-07-19 14:20:10,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 14:20:10,955 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 1 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 14:20:10,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1194 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 37 Unchecked, 0.0s Time] [2022-07-19 14:20:10,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-07-19 14:20:10,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2022-07-19 14:20:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 188 states have (on average 1.3085106382978724) internal successors, (246), 188 states have internal predecessors, (246), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:20:10,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2022-07-19 14:20:10,964 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 30 [2022-07-19 14:20:10,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:20:10,964 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2022-07-19 14:20:10,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:10,965 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2022-07-19 14:20:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-19 14:20:10,966 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:20:10,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:20:11,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-19 14:20:11,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:20:11,184 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:20:11,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:20:11,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1680752917, now seen corresponding path program 1 times [2022-07-19 14:20:11,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:20:11,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793601490] [2022-07-19 14:20:11,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:20:11,185 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:20:11,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:20:11,187 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:20:11,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-19 14:20:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:20:12,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-19 14:20:12,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:20:12,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-19 14:20:12,646 INFO L356 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-07-19 14:20:12,647 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2022-07-19 14:20:14,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2022-07-19 14:20:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:20:15,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:20:15,391 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:20:15,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793601490] [2022-07-19 14:20:15,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [793601490] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:20:15,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:20:15,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 14:20:15,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740278071] [2022-07-19 14:20:15,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:20:15,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 14:20:15,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:20:15,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 14:20:15,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 14:20:15,393 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:15,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:20:15,711 INFO L93 Difference]: Finished difference Result 212 states and 270 transitions. [2022-07-19 14:20:15,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 14:20:15,712 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-19 14:20:15,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:20:15,713 INFO L225 Difference]: With dead ends: 212 [2022-07-19 14:20:15,713 INFO L226 Difference]: Without dead ends: 204 [2022-07-19 14:20:15,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-19 14:20:15,714 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 61 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 245 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 14:20:15,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1892 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 245 Unchecked, 0.0s Time] [2022-07-19 14:20:15,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-07-19 14:20:15,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 195. [2022-07-19 14:20:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 187 states have (on average 1.304812834224599) internal successors, (244), 187 states have internal predecessors, (244), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:20:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 254 transitions. [2022-07-19 14:20:15,722 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 254 transitions. Word has length 30 [2022-07-19 14:20:15,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:20:15,722 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 254 transitions. [2022-07-19 14:20:15,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 254 transitions. [2022-07-19 14:20:15,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-19 14:20:15,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:20:15,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:20:15,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-19 14:20:15,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:20:15,942 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:20:15,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:20:15,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2042929589, now seen corresponding path program 1 times [2022-07-19 14:20:15,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:20:15,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637053711] [2022-07-19 14:20:15,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:20:15,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:20:15,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:20:15,976 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:20:15,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-19 14:20:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:20:17,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-19 14:20:17,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:20:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:20:17,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:20:17,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:20:17,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637053711] [2022-07-19 14:20:17,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637053711] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:20:17,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:20:17,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 14:20:17,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609995335] [2022-07-19 14:20:17,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:20:17,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 14:20:17,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:20:17,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 14:20:17,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 14:20:17,875 INFO L87 Difference]: Start difference. First operand 195 states and 254 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:17,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:20:17,883 INFO L93 Difference]: Finished difference Result 368 states and 478 transitions. [2022-07-19 14:20:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 14:20:17,883 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-19 14:20:17,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:20:17,884 INFO L225 Difference]: With dead ends: 368 [2022-07-19 14:20:17,885 INFO L226 Difference]: Without dead ends: 196 [2022-07-19 14:20:17,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 14:20:17,886 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 1 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 14:20:17,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1189 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 37 Unchecked, 0.0s Time] [2022-07-19 14:20:17,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-07-19 14:20:17,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2022-07-19 14:20:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 187 states have (on average 1.304812834224599) internal successors, (244), 187 states have internal predecessors, (244), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:20:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 254 transitions. [2022-07-19 14:20:17,894 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 254 transitions. Word has length 31 [2022-07-19 14:20:17,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:20:17,894 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 254 transitions. [2022-07-19 14:20:17,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 254 transitions. [2022-07-19 14:20:17,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 14:20:17,895 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:20:17,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:20:17,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-19 14:20:18,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:20:18,116 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:20:18,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:20:18,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1447467385, now seen corresponding path program 1 times [2022-07-19 14:20:18,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:20:18,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62459197] [2022-07-19 14:20:18,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:20:18,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:20:18,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:20:18,118 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:20:18,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-19 14:20:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:20:18,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 25 conjunts are in the unsatisfiable core [2022-07-19 14:20:18,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:20:19,139 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-19 14:20:19,596 INFO L356 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-07-19 14:20:19,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2022-07-19 14:20:21,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2022-07-19 14:20:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:20:22,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:20:22,861 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:20:22,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62459197] [2022-07-19 14:20:22,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62459197] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:20:22,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:20:22,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 14:20:22,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767759121] [2022-07-19 14:20:22,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:20:22,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 14:20:22,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:20:22,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 14:20:22,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-19 14:20:22,862 INFO L87 Difference]: Start difference. First operand 195 states and 254 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:23,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:20:23,119 INFO L93 Difference]: Finished difference Result 208 states and 268 transitions. [2022-07-19 14:20:23,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 14:20:23,120 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-19 14:20:23,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:20:23,121 INFO L225 Difference]: With dead ends: 208 [2022-07-19 14:20:23,122 INFO L226 Difference]: Without dead ends: 198 [2022-07-19 14:20:23,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-07-19 14:20:23,123 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 4 mSDsluCounter, 1897 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2137 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 269 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 14:20:23,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2137 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 269 Unchecked, 0.0s Time] [2022-07-19 14:20:23,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-07-19 14:20:23,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-07-19 14:20:23,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 190 states have (on average 1.3) internal successors, (247), 190 states have internal predecessors, (247), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:20:23,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 257 transitions. [2022-07-19 14:20:23,128 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 257 transitions. Word has length 32 [2022-07-19 14:20:23,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:20:23,128 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 257 transitions. [2022-07-19 14:20:23,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 257 transitions. [2022-07-19 14:20:23,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 14:20:23,129 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:20:23,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:20:23,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-19 14:20:23,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:20:23,338 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:20:23,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:20:23,339 INFO L85 PathProgramCache]: Analyzing trace with hash 902951312, now seen corresponding path program 1 times [2022-07-19 14:20:23,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:20:23,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469891140] [2022-07-19 14:20:23,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:20:23,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:20:23,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:20:23,340 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:20:23,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-19 14:20:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:20:24,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-19 14:20:24,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:20:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:20:25,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:20:25,831 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:20:25,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469891140] [2022-07-19 14:20:25,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1469891140] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:20:25,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:20:25,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 14:20:25,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097059632] [2022-07-19 14:20:25,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:20:25,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 14:20:25,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:20:25,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 14:20:25,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 14:20:25,833 INFO L87 Difference]: Start difference. First operand 198 states and 257 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:26,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:20:26,047 INFO L93 Difference]: Finished difference Result 216 states and 273 transitions. [2022-07-19 14:20:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 14:20:26,048 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-19 14:20:26,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:20:26,050 INFO L225 Difference]: With dead ends: 216 [2022-07-19 14:20:26,050 INFO L226 Difference]: Without dead ends: 207 [2022-07-19 14:20:26,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-19 14:20:26,051 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 134 mSDsluCounter, 1825 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 47 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 14:20:26,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 2075 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 47 Unchecked, 0.1s Time] [2022-07-19 14:20:26,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-07-19 14:20:26,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 198. [2022-07-19 14:20:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 190 states have (on average 1.2947368421052632) internal successors, (246), 190 states have internal predecessors, (246), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:20:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 256 transitions. [2022-07-19 14:20:26,061 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 256 transitions. Word has length 32 [2022-07-19 14:20:26,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:20:26,061 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 256 transitions. [2022-07-19 14:20:26,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 256 transitions. [2022-07-19 14:20:26,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 14:20:26,062 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:20:26,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:20:26,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-19 14:20:26,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:20:26,284 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:20:26,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:20:26,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1583009682, now seen corresponding path program 1 times [2022-07-19 14:20:26,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:20:26,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2081049572] [2022-07-19 14:20:26,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:20:26,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:20:26,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:20:26,286 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:20:26,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-19 14:20:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:20:27,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 14:20:27,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:20:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:20:27,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:20:27,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:20:27,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2081049572] [2022-07-19 14:20:27,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2081049572] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:20:27,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:20:27,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 14:20:27,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291437912] [2022-07-19 14:20:27,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:20:27,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 14:20:27,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:20:27,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 14:20:27,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 14:20:27,754 INFO L87 Difference]: Start difference. First operand 198 states and 256 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:27,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:20:27,761 INFO L93 Difference]: Finished difference Result 206 states and 263 transitions. [2022-07-19 14:20:27,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 14:20:27,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-19 14:20:27,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:20:27,762 INFO L225 Difference]: With dead ends: 206 [2022-07-19 14:20:27,763 INFO L226 Difference]: Without dead ends: 193 [2022-07-19 14:20:27,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 14:20:27,763 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 11 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 14:20:27,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 932 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 19 Unchecked, 0.0s Time] [2022-07-19 14:20:27,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-07-19 14:20:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-07-19 14:20:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 185 states have (on average 1.2918918918918918) internal successors, (239), 185 states have internal predecessors, (239), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 14:20:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 249 transitions. [2022-07-19 14:20:27,772 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 249 transitions. Word has length 32 [2022-07-19 14:20:27,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:20:27,772 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 249 transitions. [2022-07-19 14:20:27,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2022-07-19 14:20:27,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 14:20:27,774 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:20:27,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:20:27,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-19 14:20:27,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:20:27,991 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:20:27,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:20:27,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2094018898, now seen corresponding path program 1 times [2022-07-19 14:20:27,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:20:27,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104117461] [2022-07-19 14:20:27,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:20:27,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:20:27,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:20:27,994 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:20:28,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-19 14:20:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:20:29,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-19 14:20:29,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:20:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:20:29,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:20:29,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:20:29,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104117461] [2022-07-19 14:20:29,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104117461] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:20:29,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:20:29,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 14:20:29,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974050931] [2022-07-19 14:20:29,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:20:29,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 14:20:29,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:20:29,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 14:20:29,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 14:20:29,812 INFO L87 Difference]: Start difference. First operand 193 states and 249 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:29,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:20:29,814 INFO L93 Difference]: Finished difference Result 213 states and 268 transitions. [2022-07-19 14:20:29,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 14:20:29,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-19 14:20:29,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:20:29,815 INFO L225 Difference]: With dead ends: 213 [2022-07-19 14:20:29,815 INFO L226 Difference]: Without dead ends: 34 [2022-07-19 14:20:29,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 14:20:29,816 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 14:20:29,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 10 Unchecked, 0.0s Time] [2022-07-19 14:20:29,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-07-19 14:20:29,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-07-19 14:20:29,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2022-07-19 14:20:29,818 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2022-07-19 14:20:29,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:20:29,819 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2022-07-19 14:20:29,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:29,819 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2022-07-19 14:20:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-19 14:20:29,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:20:29,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:20:29,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-19 14:20:30,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:20:30,028 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:20:30,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:20:30,028 INFO L85 PathProgramCache]: Analyzing trace with hash 324721698, now seen corresponding path program 1 times [2022-07-19 14:20:30,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:20:30,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295069389] [2022-07-19 14:20:30,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:20:30,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:20:30,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:20:30,030 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:20:30,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-19 14:20:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:20:30,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-19 14:20:30,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:20:31,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-19 14:20:31,531 INFO L356 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-07-19 14:20:31,532 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2022-07-19 14:20:32,938 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2022-07-19 14:20:34,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:20:34,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:20:34,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:20:34,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295069389] [2022-07-19 14:20:34,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295069389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:20:34,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:20:34,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 14:20:34,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66178028] [2022-07-19 14:20:34,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:20:34,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 14:20:34,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:20:34,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 14:20:34,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 14:20:34,394 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:34,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:20:34,704 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2022-07-19 14:20:34,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 14:20:34,704 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-07-19 14:20:34,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:20:34,704 INFO L225 Difference]: With dead ends: 34 [2022-07-19 14:20:34,704 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 14:20:34,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-19 14:20:34,705 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 33 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 14:20:34,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 94 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 33 Unchecked, 0.0s Time] [2022-07-19 14:20:34,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 14:20:34,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 14:20:34,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 14:20:34,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 14:20:34,707 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-07-19 14:20:34,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:20:34,707 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 14:20:34,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:20:34,708 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 14:20:34,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 14:20:34,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 14:20:34,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-19 14:20:34,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:20:34,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 14:20:36,198 INFO L899 garLoopResultBuilder]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2022-07-19 14:20:36,198 INFO L899 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 252 265) no Hoare annotation was computed. [2022-07-19 14:20:36,199 INFO L899 garLoopResultBuilder]: For program point L254-1(lines 254 258) no Hoare annotation was computed. [2022-07-19 14:20:36,199 INFO L895 garLoopResultBuilder]: At program point L254-2(lines 254 258) the Hoare annotation is: (= fabs_float_~x |fabs_float_#in~x|) [2022-07-19 14:20:36,199 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 252 265) no Hoare annotation was computed. [2022-07-19 14:20:36,199 INFO L902 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 252 265) the Hoare annotation is: true [2022-07-19 14:20:36,199 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2022-07-19 14:20:36,199 INFO L899 garLoopResultBuilder]: For program point L259-1(lines 252 265) no Hoare annotation was computed. [2022-07-19 14:20:36,199 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 188) no Hoare annotation was computed. [2022-07-19 14:20:36,199 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 177 195) no Hoare annotation was computed. [2022-07-19 14:20:36,199 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 177 195) no Hoare annotation was computed. [2022-07-19 14:20:36,199 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 193) no Hoare annotation was computed. [2022-07-19 14:20:36,199 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 177 195) no Hoare annotation was computed. [2022-07-19 14:20:36,199 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2022-07-19 14:20:36,199 INFO L902 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 177 195) the Hoare annotation is: true [2022-07-19 14:20:36,199 INFO L899 garLoopResultBuilder]: For program point L179-1(lines 179 183) no Hoare annotation was computed. [2022-07-19 14:20:36,200 INFO L902 garLoopResultBuilder]: At program point L179-2(lines 179 183) the Hoare annotation is: true [2022-07-19 14:20:36,200 INFO L899 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 177 195) no Hoare annotation was computed. [2022-07-19 14:20:36,200 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 533) no Hoare annotation was computed. [2022-07-19 14:20:36,200 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 522 534) no Hoare annotation was computed. [2022-07-19 14:20:36,200 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 533) no Hoare annotation was computed. [2022-07-19 14:20:36,200 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 433 437) no Hoare annotation was computed. [2022-07-19 14:20:36,200 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 368) no Hoare annotation was computed. [2022-07-19 14:20:36,201 INFO L895 garLoopResultBuilder]: At program point L433-2(lines 433 437) the Hoare annotation is: false [2022-07-19 14:20:36,201 INFO L899 garLoopResultBuilder]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2022-07-19 14:20:36,201 INFO L895 garLoopResultBuilder]: At program point L170-2(lines 170 174) the Hoare annotation is: false [2022-07-19 14:20:36,201 INFO L899 garLoopResultBuilder]: For program point L170-3(lines 170 174) no Hoare annotation was computed. [2022-07-19 14:20:36,201 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 502) no Hoare annotation was computed. [2022-07-19 14:20:36,201 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 410) no Hoare annotation was computed. [2022-07-19 14:20:36,201 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2022-07-19 14:20:36,201 INFO L899 garLoopResultBuilder]: For program point L303-1(lines 303 307) no Hoare annotation was computed. [2022-07-19 14:20:36,202 INFO L895 garLoopResultBuilder]: At program point L303-2(lines 303 307) the Hoare annotation is: (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|v_fabs_float_~#sf_u~6.base_7| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_fabs_float_~#sf_u~6.base_7|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) .cse0) (fp.gt (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) ((_ to_fp 8 24) currentRoundingMode (_ bv1 32))) (= |ULTIMATE.start___ieee754_powf_~x#1| (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) [2022-07-19 14:20:36,202 INFO L902 garLoopResultBuilder]: At program point L634(lines 612 635) the Hoare annotation is: true [2022-07-19 14:20:36,202 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 243) no Hoare annotation was computed. [2022-07-19 14:20:36,202 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 205 209) no Hoare annotation was computed. [2022-07-19 14:20:36,202 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 140) no Hoare annotation was computed. [2022-07-19 14:20:36,202 INFO L895 garLoopResultBuilder]: At program point L205-2(lines 205 209) the Hoare annotation is: false [2022-07-19 14:20:36,202 INFO L899 garLoopResultBuilder]: For program point L205-3(lines 205 209) no Hoare annotation was computed. [2022-07-19 14:20:36,203 INFO L899 garLoopResultBuilder]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2022-07-19 14:20:36,203 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2022-07-19 14:20:36,203 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 297 586) no Hoare annotation was computed. [2022-07-19 14:20:36,203 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 343) no Hoare annotation was computed. [2022-07-19 14:20:36,203 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-07-19 14:20:36,203 INFO L899 garLoopResultBuilder]: For program point L603-1(lines 603 607) no Hoare annotation was computed. [2022-07-19 14:20:36,203 INFO L895 garLoopResultBuilder]: At program point L603-2(lines 603 607) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_isinf_float_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2022-07-19 14:20:36,203 INFO L899 garLoopResultBuilder]: For program point L603-3(lines 603 607) no Hoare annotation was computed. [2022-07-19 14:20:36,203 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2022-07-19 14:20:36,203 INFO L899 garLoopResultBuilder]: For program point L438-1(lines 398 499) no Hoare annotation was computed. [2022-07-19 14:20:36,203 INFO L899 garLoopResultBuilder]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2022-07-19 14:20:36,203 INFO L895 garLoopResultBuilder]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2022-07-19 14:20:36,203 INFO L895 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: false [2022-07-19 14:20:36,203 INFO L899 garLoopResultBuilder]: For program point L240-1(line 240) no Hoare annotation was computed. [2022-07-19 14:20:36,204 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 550) no Hoare annotation was computed. [2022-07-19 14:20:36,204 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2022-07-19 14:20:36,204 INFO L895 garLoopResultBuilder]: At program point L571-2(lines 571 575) the Hoare annotation is: false [2022-07-19 14:20:36,204 INFO L899 garLoopResultBuilder]: For program point L538-2(lines 538 550) no Hoare annotation was computed. [2022-07-19 14:20:36,204 INFO L899 garLoopResultBuilder]: For program point L571-3(lines 571 575) no Hoare annotation was computed. [2022-07-19 14:20:36,204 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2022-07-19 14:20:36,204 INFO L895 garLoopResultBuilder]: At program point L472-2(lines 472 476) the Hoare annotation is: false [2022-07-19 14:20:36,204 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 374) no Hoare annotation was computed. [2022-07-19 14:20:36,204 INFO L899 garLoopResultBuilder]: For program point L340(lines 340 343) no Hoare annotation was computed. [2022-07-19 14:20:36,204 INFO L895 garLoopResultBuilder]: At program point L175(lines 111 176) the Hoare annotation is: false [2022-07-19 14:20:36,204 INFO L899 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2022-07-19 14:20:36,205 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2022-07-19 14:20:36,205 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 297 586) no Hoare annotation was computed. [2022-07-19 14:20:36,205 INFO L899 garLoopResultBuilder]: For program point L341-2(line 341) no Hoare annotation was computed. [2022-07-19 14:20:36,205 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2022-07-19 14:20:36,205 INFO L895 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: false [2022-07-19 14:20:36,205 INFO L899 garLoopResultBuilder]: For program point L242-1(line 242) no Hoare annotation was computed. [2022-07-19 14:20:36,205 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 499) no Hoare annotation was computed. [2022-07-19 14:20:36,205 INFO L899 garLoopResultBuilder]: For program point L375-2(lines 375 499) no Hoare annotation was computed. [2022-07-19 14:20:36,206 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2022-07-19 14:20:36,206 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2022-07-19 14:20:36,206 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 297 586) no Hoare annotation was computed. [2022-07-19 14:20:36,206 INFO L895 garLoopResultBuilder]: At program point L541-2(lines 541 545) the Hoare annotation is: false [2022-07-19 14:20:36,206 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2022-07-19 14:20:36,206 INFO L899 garLoopResultBuilder]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2022-07-19 14:20:36,206 INFO L899 garLoopResultBuilder]: For program point L343(line 343) no Hoare annotation was computed. [2022-07-19 14:20:36,206 INFO L899 garLoopResultBuilder]: For program point L343-2(line 343) no Hoare annotation was computed. [2022-07-19 14:20:36,206 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2022-07-19 14:20:36,206 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 398 499) no Hoare annotation was computed. [2022-07-19 14:20:36,207 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 378) no Hoare annotation was computed. [2022-07-19 14:20:36,207 INFO L899 garLoopResultBuilder]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2022-07-19 14:20:36,207 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 213) no Hoare annotation was computed. [2022-07-19 14:20:36,207 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 245 249) no Hoare annotation was computed. [2022-07-19 14:20:36,207 INFO L895 garLoopResultBuilder]: At program point L245-2(lines 245 249) the Hoare annotation is: false [2022-07-19 14:20:36,207 INFO L899 garLoopResultBuilder]: For program point L245-3(lines 245 249) no Hoare annotation was computed. [2022-07-19 14:20:36,207 INFO L895 garLoopResultBuilder]: At program point L609(lines 601 610) the Hoare annotation is: (= |ULTIMATE.start_isinf_float_#res#1| (_ bv1 32)) [2022-07-19 14:20:36,207 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 481) no Hoare annotation was computed. [2022-07-19 14:20:36,208 INFO L899 garLoopResultBuilder]: For program point L477-1(lines 398 499) no Hoare annotation was computed. [2022-07-19 14:20:36,208 INFO L899 garLoopResultBuilder]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2022-07-19 14:20:36,208 INFO L899 garLoopResultBuilder]: For program point L378(line 378) no Hoare annotation was computed. [2022-07-19 14:20:36,208 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 350) no Hoare annotation was computed. [2022-07-19 14:20:36,208 INFO L899 garLoopResultBuilder]: For program point L378-2(line 378) no Hoare annotation was computed. [2022-07-19 14:20:36,208 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 147 156) the Hoare annotation is: false [2022-07-19 14:20:36,208 INFO L899 garLoopResultBuilder]: For program point L147-3(lines 111 176) no Hoare annotation was computed. [2022-07-19 14:20:36,209 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 584) no Hoare annotation was computed. [2022-07-19 14:20:36,209 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 380) no Hoare annotation was computed. [2022-07-19 14:20:36,209 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 349) no Hoare annotation was computed. [2022-07-19 14:20:36,209 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 215) no Hoare annotation was computed. [2022-07-19 14:20:36,209 INFO L899 garLoopResultBuilder]: For program point L380(line 380) no Hoare annotation was computed. [2022-07-19 14:20:36,209 INFO L899 garLoopResultBuilder]: For program point L380-2(line 380) no Hoare annotation was computed. [2022-07-19 14:20:36,209 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2022-07-19 14:20:36,209 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2022-07-19 14:20:36,210 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2022-07-19 14:20:36,210 INFO L895 garLoopResultBuilder]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2022-07-19 14:20:36,210 INFO L899 garLoopResultBuilder]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2022-07-19 14:20:36,210 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 226) no Hoare annotation was computed. [2022-07-19 14:20:36,210 INFO L899 garLoopResultBuilder]: For program point L216-2(lines 216 226) no Hoare annotation was computed. [2022-07-19 14:20:36,210 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 548) no Hoare annotation was computed. [2022-07-19 14:20:36,210 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2022-07-19 14:20:36,210 INFO L895 garLoopResultBuilder]: At program point L580-2(lines 580 584) the Hoare annotation is: false [2022-07-19 14:20:36,211 INFO L899 garLoopResultBuilder]: For program point L547-2(lines 547 548) no Hoare annotation was computed. [2022-07-19 14:20:36,211 INFO L899 garLoopResultBuilder]: For program point L580-3(lines 577 584) no Hoare annotation was computed. [2022-07-19 14:20:36,211 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 423) no Hoare annotation was computed. [2022-07-19 14:20:36,211 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 317) no Hoare annotation was computed. [2022-07-19 14:20:36,211 INFO L895 garLoopResultBuilder]: At program point L250(lines 201 251) the Hoare annotation is: false [2022-07-19 14:20:36,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 14:20:36,211 INFO L899 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2022-07-19 14:20:36,212 INFO L895 garLoopResultBuilder]: At program point L218-2(lines 218 222) the Hoare annotation is: false [2022-07-19 14:20:36,212 INFO L899 garLoopResultBuilder]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2022-07-19 14:20:36,212 INFO L899 garLoopResultBuilder]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2022-07-19 14:20:36,212 INFO L895 garLoopResultBuilder]: At program point L516-2(lines 516 520) the Hoare annotation is: false [2022-07-19 14:20:36,212 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-07-19 14:20:36,212 INFO L899 garLoopResultBuilder]: For program point L516-3(lines 516 520) no Hoare annotation was computed. [2022-07-19 14:20:36,212 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 352) no Hoare annotation was computed. [2022-07-19 14:20:36,212 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 324) no Hoare annotation was computed. [2022-07-19 14:20:36,213 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 356) no Hoare annotation was computed. [2022-07-19 14:20:36,213 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 323) no Hoare annotation was computed. [2022-07-19 14:20:36,213 INFO L895 garLoopResultBuilder]: At program point L353-2(lines 353 356) the Hoare annotation is: false [2022-07-19 14:20:36,213 INFO L895 garLoopResultBuilder]: At program point L585(lines 297 586) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_#res#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2022-07-19 14:20:36,213 INFO L899 garLoopResultBuilder]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2022-07-19 14:20:36,213 INFO L895 garLoopResultBuilder]: At program point L552-2(lines 552 556) the Hoare annotation is: false [2022-07-19 14:20:36,213 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 355) no Hoare annotation was computed. [2022-07-19 14:20:36,213 INFO L899 garLoopResultBuilder]: For program point L387-1(lines 387 391) no Hoare annotation was computed. [2022-07-19 14:20:36,214 INFO L895 garLoopResultBuilder]: At program point L387-2(lines 387 391) the Hoare annotation is: false [2022-07-19 14:20:36,214 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 124) no Hoare annotation was computed. [2022-07-19 14:20:36,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 14:20:36,214 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2022-07-19 14:20:36,214 INFO L895 garLoopResultBuilder]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2022-07-19 14:20:36,214 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 225) no Hoare annotation was computed. [2022-07-19 14:20:36,214 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 167) no Hoare annotation was computed. [2022-07-19 14:20:36,214 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 534) no Hoare annotation was computed. [2022-07-19 14:20:36,215 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2022-07-19 14:20:36,215 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2022-07-19 14:20:36,215 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2022-07-19 14:20:36,215 INFO L899 garLoopResultBuilder]: For program point L424-1(lines 398 499) no Hoare annotation was computed. [2022-07-19 14:20:36,215 INFO L899 garLoopResultBuilder]: For program point L358(line 358) no Hoare annotation was computed. [2022-07-19 14:20:36,215 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 424 428) no Hoare annotation was computed. [2022-07-19 14:20:36,215 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2022-07-19 14:20:36,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 14:20:36,216 INFO L895 garLoopResultBuilder]: At program point L623(line 623) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|)) [2022-07-19 14:20:36,216 INFO L899 garLoopResultBuilder]: For program point L623-1(lines 623 632) no Hoare annotation was computed. [2022-07-19 14:20:36,216 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2022-07-19 14:20:36,216 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 297 586) no Hoare annotation was computed. [2022-07-19 14:20:36,216 INFO L899 garLoopResultBuilder]: For program point L623-3(lines 623 632) no Hoare annotation was computed. [2022-07-19 14:20:36,216 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 561) no Hoare annotation was computed. [2022-07-19 14:20:36,216 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2022-07-19 14:20:36,217 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 396) no Hoare annotation was computed. [2022-07-19 14:20:36,217 INFO L895 garLoopResultBuilder]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2022-07-19 14:20:36,217 INFO L899 garLoopResultBuilder]: For program point L392-1(lines 375 398) no Hoare annotation was computed. [2022-07-19 14:20:36,217 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 335) no Hoare annotation was computed. [2022-07-19 14:20:36,217 INFO L899 garLoopResultBuilder]: For program point L392-2(lines 392 396) no Hoare annotation was computed. [2022-07-19 14:20:36,217 INFO L899 garLoopResultBuilder]: For program point L326-1(lines 297 586) no Hoare annotation was computed. [2022-07-19 14:20:36,217 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 129) no Hoare annotation was computed. [2022-07-19 14:20:36,217 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 527) no Hoare annotation was computed. [2022-07-19 14:20:36,218 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 371) no Hoare annotation was computed. [2022-07-19 14:20:36,218 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 334) no Hoare annotation was computed. [2022-07-19 14:20:36,218 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 229) no Hoare annotation was computed. [2022-07-19 14:20:36,218 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 165) no Hoare annotation was computed. [2022-07-19 14:20:36,218 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2022-07-19 14:20:36,218 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2022-07-19 14:20:36,218 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 398 499) no Hoare annotation was computed. [2022-07-19 14:20:36,218 INFO L899 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2022-07-19 14:20:36,219 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: false [2022-07-19 14:20:36,219 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2022-07-19 14:20:36,219 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 363) no Hoare annotation was computed. [2022-07-19 14:20:36,219 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 334) no Hoare annotation was computed. [2022-07-19 14:20:36,219 INFO L899 garLoopResultBuilder]: For program point L362-2(lines 360 371) no Hoare annotation was computed. [2022-07-19 14:20:36,219 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 237) no Hoare annotation was computed. [2022-07-19 14:20:36,219 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 14:20:36,220 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2022-07-19 14:20:36,220 INFO L899 garLoopResultBuilder]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2022-07-19 14:20:36,220 INFO L895 garLoopResultBuilder]: At program point L231-2(lines 231 235) the Hoare annotation is: false [2022-07-19 14:20:36,220 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 136) no Hoare annotation was computed. [2022-07-19 14:20:36,220 INFO L899 garLoopResultBuilder]: For program point L231-3(lines 231 235) no Hoare annotation was computed. [2022-07-19 14:20:36,220 INFO L899 garLoopResultBuilder]: For program point L132-2(lines 132 136) no Hoare annotation was computed. [2022-07-19 14:20:36,220 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 631) no Hoare annotation was computed. [2022-07-19 14:20:36,221 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2022-07-19 14:20:36,221 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 467) no Hoare annotation was computed. [2022-07-19 14:20:36,221 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 398 499) no Hoare annotation was computed. [2022-07-19 14:20:36,221 INFO L899 garLoopResultBuilder]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2022-07-19 14:20:36,221 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 369) no Hoare annotation was computed. [2022-07-19 14:20:36,221 INFO L899 garLoopResultBuilder]: For program point L133-2(lines 133 134) no Hoare annotation was computed. [2022-07-19 14:20:36,221 INFO L895 garLoopResultBuilder]: At program point L133-3(lines 133 134) the Hoare annotation is: false [2022-07-19 14:20:36,221 INFO L899 garLoopResultBuilder]: For program point L133-4(lines 133 134) no Hoare annotation was computed. [2022-07-19 14:20:36,222 INFO L899 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2022-07-19 14:20:36,222 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 368) no Hoare annotation was computed. [2022-07-19 14:20:36,222 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 333) no Hoare annotation was computed. [2022-07-19 14:20:36,224 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:20:36,226 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 14:20:36,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,238 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,239 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,239 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 02:20:36 BoogieIcfgContainer [2022-07-19 14:20:36,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 14:20:36,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 14:20:36,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 14:20:36,247 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 14:20:36,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 02:19:16" (3/4) ... [2022-07-19 14:20:36,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 14:20:36,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2022-07-19 14:20:36,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2022-07-19 14:20:36,270 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-07-19 14:20:36,278 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-07-19 14:20:36,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 14:20:36,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 14:20:36,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2022-07-19 14:20:36,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_arrayElimCell_1 : bv32, v_fabs_float_~#sf_u~6.base_7 : bv32, currentRoundingMode : FloatRoundingMode :: ((~bvand32(2147483647bv32, v_arrayElimCell_1) == unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32] && ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1bv32))) && x == ~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0])) && y == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2022-07-19 14:20:36,332 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 14:20:36,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 14:20:36,334 INFO L158 Benchmark]: Toolchain (without parser) took 104572.03ms. Allocated memory was 46.1MB in the beginning and 69.2MB in the end (delta: 23.1MB). Free memory was 20.9MB in the beginning and 25.6MB in the end (delta: -4.7MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-07-19 14:20:36,334 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 46.1MB. Free memory was 28.0MB in the beginning and 27.9MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 14:20:36,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.05ms. Allocated memory was 46.1MB in the beginning and 56.6MB in the end (delta: 10.5MB). Free memory was 20.8MB in the beginning and 28.3MB in the end (delta: -7.5MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-07-19 14:20:36,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.58ms. Allocated memory is still 56.6MB. Free memory was 28.3MB in the beginning and 35.5MB in the end (delta: -7.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-07-19 14:20:36,339 INFO L158 Benchmark]: Boogie Preprocessor took 98.35ms. Allocated memory is still 56.6MB. Free memory was 35.5MB in the beginning and 31.0MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 14:20:36,339 INFO L158 Benchmark]: RCFGBuilder took 24470.66ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 30.8MB in the beginning and 37.2MB in the end (delta: -6.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-07-19 14:20:36,340 INFO L158 Benchmark]: TraceAbstraction took 79285.79ms. Allocated memory is still 69.2MB. Free memory was 36.7MB in the beginning and 31.0MB in the end (delta: 5.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-07-19 14:20:36,340 INFO L158 Benchmark]: Witness Printer took 85.88ms. Allocated memory is still 69.2MB. Free memory was 31.0MB in the beginning and 25.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 14:20:36,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 46.1MB. Free memory was 28.0MB in the beginning and 27.9MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.05ms. Allocated memory was 46.1MB in the beginning and 56.6MB in the end (delta: 10.5MB). Free memory was 20.8MB in the beginning and 28.3MB in the end (delta: -7.5MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.58ms. Allocated memory is still 56.6MB. Free memory was 28.3MB in the beginning and 35.5MB in the end (delta: -7.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.35ms. Allocated memory is still 56.6MB. Free memory was 35.5MB in the beginning and 31.0MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 24470.66ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 30.8MB in the beginning and 37.2MB in the end (delta: -6.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * TraceAbstraction took 79285.79ms. Allocated memory is still 69.2MB. Free memory was 36.7MB in the beginning and 31.0MB in the end (delta: 5.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Witness Printer took 85.88ms. Allocated memory is still 69.2MB. Free memory was 31.0MB in the beginning and 25.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 629]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 79.2s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 37.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 282 SdHoareTripleChecker+Valid, 36.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 281 mSDsluCounter, 16834 SdHoareTripleChecker+Invalid, 34.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1338 IncrementalHoareTripleChecker+Unchecked, 14077 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2757 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 373 GetRequests, 289 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=0, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 65 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 65 PreInvPairs, 71 NumberOfFragments, 113 HoareAnnotationTreeSize, 65 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 191 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 10.1s SatisfiabilityAnalysisTime, 25.7s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 367 ConstructedInterpolants, 170 QuantifiedInterpolants, 4883 SizeOfPredicates, 108 NumberOfNonLiveVariables, 2284 ConjunctsInSsa, 206 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 603]: Loop Invariant [2022-07-19 14:20:36,356 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant [2022-07-19 14:20:36,359 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,359 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,359 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,359 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: \result == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: \result == 1bv32 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant [2022-07-19 14:20:36,361 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,362 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,362 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,362 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,362 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,362 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,362 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,363 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,363 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,363 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,363 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,363 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-19 14:20:36,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,365 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-19 14:20:36,365 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-19 14:20:36,365 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists v_arrayElimCell_1 : bv32, v_fabs_float_~#sf_u~6.base_7 : bv32, currentRoundingMode : FloatRoundingMode :: ((~bvand32(2147483647bv32, v_arrayElimCell_1) == unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32] && ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1bv32))) && x == ~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0])) && y == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-19 14:20:36,579 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-07-19 14:20:36,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE