./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0260.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f 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 ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0260.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 0cc01638435867410db74a03cf4594734b0f00db ............................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0260.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 0cc01638435867410db74a03cf4594734b0f00db .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:08:34,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:08:34,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:08:35,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:08:35,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:08:35,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:08:35,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:08:35,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:08:35,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:08:35,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:08:35,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:08:35,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:08:35,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:08:35,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:08:35,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:08:35,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:08:35,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:08:35,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:08:35,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:08:35,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:08:35,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:08:35,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:08:35,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:08:35,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:08:35,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:08:35,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:08:35,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:08:35,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:08:35,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:08:35,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:08:35,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:08:35,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:08:35,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:08:35,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:08:35,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:08:35,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:08:35,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:08:35,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:08:35,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:08:35,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:08:35,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:08:35,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:08:35,205 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:08:35,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:08:35,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:08:35,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:08:35,209 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:08:35,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:08:35,210 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:08:35,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:08:35,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:08:35,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:08:35,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:08:35,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:08:35,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:08:35,213 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:08:35,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:08:35,214 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:08:35,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:08:35,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:08:35,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:08:35,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:08:35,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:08:35,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:08:35,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:08:35,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:08:35,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:08:35,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:08:35,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:08:35,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:08:35,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:08:35,218 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc01638435867410db74a03cf4594734b0f00db [2020-12-02 15:08:35,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:08:35,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:08:35,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:08:35,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:08:35,639 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:08:35,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0260.c [2020-12-02 15:08:35,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db6f95ae9/b21a12d1f1274167a09143bc084a3c09/FLAGcc58581dd [2020-12-02 15:08:36,490 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:08:36,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0260.c [2020-12-02 15:08:36,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db6f95ae9/b21a12d1f1274167a09143bc084a3c09/FLAGcc58581dd [2020-12-02 15:08:36,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db6f95ae9/b21a12d1f1274167a09143bc084a3c09 [2020-12-02 15:08:36,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:08:36,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:08:36,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:08:36,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:08:36,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:08:36,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:08:36" (1/1) ... [2020-12-02 15:08:36,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1fde31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:36, skipping insertion in model container [2020-12-02 15:08:36,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:08:36" (1/1) ... [2020-12-02 15:08:36,791 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:08:36,841 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:08:37,106 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructUnaryExpression(ExpressionTranslation.java:141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleUnaryArithmeticOperators(CExpressionTranslator.java:407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2351) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1970) 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:1599) 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:1044) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1422) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) 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:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 15:08:37,116 INFO L168 Benchmark]: Toolchain (without parser) took 348.15 ms. Allocated memory is still 44.0 MB. Free memory was 28.4 MB in the beginning and 27.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:08:37,118 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 35.7 MB. Free memory is still 22.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:08:37,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.45 ms. Allocated memory is still 44.0 MB. Free memory was 28.2 MB in the beginning and 27.3 MB in the end (delta: 927.1 kB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:08:37,125 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 35.7 MB. Free memory is still 22.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 344.45 ms. Allocated memory is still 44.0 MB. Free memory was 28.2 MB in the beginning and 27.3 MB in the end (delta: 927.1 kB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:08:39,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:08:39,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:08:39,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:08:39,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:08:39,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:08:39,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:08:39,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:08:39,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:08:39,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:08:39,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:08:39,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:08:39,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:08:39,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:08:39,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:08:39,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:08:39,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:08:39,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:08:39,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:08:39,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:08:39,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:08:39,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:08:39,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:08:39,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:08:39,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:08:39,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:08:39,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:08:39,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:08:39,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:08:39,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:08:39,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:08:39,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:08:39,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:08:39,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:08:39,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:08:39,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:08:39,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:08:39,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:08:39,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:08:39,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:08:39,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:08:39,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:08:39,738 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:08:39,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:08:39,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:08:39,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:08:39,741 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:08:39,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:08:39,741 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:08:39,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:08:39,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:08:39,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:08:39,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:08:39,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:08:39,743 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:08:39,743 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:08:39,743 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:08:39,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:08:39,743 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:08:39,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:08:39,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:08:39,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:08:39,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:08:39,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:08:39,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:08:39,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:08:39,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:08:39,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:08:39,746 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:08:39,746 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:08:39,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:08:39,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:08:39,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:08:39,747 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc01638435867410db74a03cf4594734b0f00db [2020-12-02 15:08:40,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:08:40,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:08:40,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:08:40,188 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:08:40,189 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:08:40,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0260.c [2020-12-02 15:08:40,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed155ab4/f5545da7fbc54171bb90501b65a47afe/FLAGd190ab392 [2020-12-02 15:08:41,014 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:08:41,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0260.c [2020-12-02 15:08:41,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed155ab4/f5545da7fbc54171bb90501b65a47afe/FLAGd190ab392 [2020-12-02 15:08:41,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed155ab4/f5545da7fbc54171bb90501b65a47afe [2020-12-02 15:08:41,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:08:41,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:08:41,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:08:41,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:08:41,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:08:41,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:08:41" (1/1) ... [2020-12-02 15:08:41,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5c8f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41, skipping insertion in model container [2020-12-02 15:08:41,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:08:41" (1/1) ... [2020-12-02 15:08:41,411 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:08:41,463 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:08:41,838 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0260.c[5941,5954] [2020-12-02 15:08:41,853 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:08:41,891 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:08:41,995 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0260.c[5941,5954] [2020-12-02 15:08:41,996 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:08:42,034 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:08:42,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42 WrapperNode [2020-12-02 15:08:42,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:08:42,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:08:42,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:08:42,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:08:42,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42" (1/1) ... [2020-12-02 15:08:42,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42" (1/1) ... [2020-12-02 15:08:42,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:08:42,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:08:42,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:08:42,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:08:42,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42" (1/1) ... [2020-12-02 15:08:42,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42" (1/1) ... [2020-12-02 15:08:42,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42" (1/1) ... [2020-12-02 15:08:42,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42" (1/1) ... [2020-12-02 15:08:42,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42" (1/1) ... [2020-12-02 15:08:42,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42" (1/1) ... [2020-12-02 15:08:42,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42" (1/1) ... [2020-12-02 15:08:42,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:08:42,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:08:42,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:08:42,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:08:42,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:08:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:08:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:08:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:08:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:08:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:08:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:08:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:08:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:08:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:08:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:09:03,822 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:09:03,822 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-12-02 15:09:03,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:09:03 BoogieIcfgContainer [2020-12-02 15:09:03,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:09:03,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:09:03,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:09:03,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:09:03,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:08:41" (1/3) ... [2020-12-02 15:09:03,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f26820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:09:03, skipping insertion in model container [2020-12-02 15:09:03,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:42" (2/3) ... [2020-12-02 15:09:03,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f26820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:09:03, skipping insertion in model container [2020-12-02 15:09:03,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:09:03" (3/3) ... [2020-12-02 15:09:03,833 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0260.c [2020-12-02 15:09:03,849 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:09:03,854 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:09:03,866 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:09:03,894 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:09:03,894 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:09:03,894 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:09:03,894 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:09:03,895 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:09:03,895 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:09:03,895 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:09:03,895 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:09:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-12-02 15:09:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:09:03,917 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:09:03,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:09:03,921 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:09:03,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:09:03,929 INFO L82 PathProgramCache]: Analyzing trace with hash 2046089236, now seen corresponding path program 1 times [2020-12-02 15:09:03,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:09:03,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679273528] [2020-12-02 15:09:03,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 15:09:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:09:05,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:09:05,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:09:05,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:09:05,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:09:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:09:05,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679273528] [2020-12-02 15:09:05,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:09:05,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:09:05,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036896639] [2020-12-02 15:09:05,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:09:05,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:09:05,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:09:05,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:09:05,681 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-12-02 15:09:05,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:09:05,708 INFO L93 Difference]: Finished difference Result 142 states and 232 transitions. [2020-12-02 15:09:05,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:09:05,724 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 15:09:05,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:09:05,735 INFO L225 Difference]: With dead ends: 142 [2020-12-02 15:09:05,735 INFO L226 Difference]: Without dead ends: 69 [2020-12-02 15:09:05,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:09:05,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-12-02 15:09:05,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-12-02 15:09:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-02 15:09:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 95 transitions. [2020-12-02 15:09:05,783 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 95 transitions. Word has length 11 [2020-12-02 15:09:05,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:09:05,784 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 95 transitions. [2020-12-02 15:09:05,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:09:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2020-12-02 15:09:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:09:05,785 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:09:05,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:09:05,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:09:06,000 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:09:06,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:09:06,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1615635862, now seen corresponding path program 1 times [2020-12-02 15:09:06,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:09:06,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577644846] [2020-12-02 15:09:06,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 15:09:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:09:11,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 15:09:11,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:09:15,797 WARN L197 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 15:09:26,343 WARN L197 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 15:09:28,519 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet132_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet131_6| (_ BitVec 64)) (ULTIMATE.start___ieee754_asin_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet131_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet131_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet131_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet132_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet132_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet132_6|)))) (and (= (fp ((_ extract 63 63) ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_asin_~x)) (fp.div roundNearestTiesToEven .cse0 .cse1)) (= (_ +zero 11 53) .cse0) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) ULTIMATE.start___ieee754_asin_~x)) c_ULTIMATE.start___ieee754_asin_~ix~0) (= .cse1 (_ +zero 11 53))))) is different from false [2020-12-02 15:09:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:09:28,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:09:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:09:40,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577644846] [2020-12-02 15:09:40,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:09:40,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 15:09:40,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342973452] [2020-12-02 15:09:40,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 15:09:40,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:09:40,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 15:09:40,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=40, Unknown=3, NotChecked=12, Total=72 [2020-12-02 15:09:40,598 INFO L87 Difference]: Start difference. First operand 69 states and 95 transitions. Second operand 9 states. [2020-12-02 15:09:52,147 WARN L197 SmtUtils]: Spent 5.15 s on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 15:10:01,098 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet132_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet131_6| (_ BitVec 64)) (ULTIMATE.start___ieee754_asin_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet131_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet131_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet131_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet132_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet132_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet132_6|)))) (and (= (fp ((_ extract 63 63) ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_asin_~x)) (fp.div roundNearestTiesToEven .cse0 .cse1)) (= (_ +zero 11 53) .cse0) (= ((_ extract 63 32) ULTIMATE.start___ieee754_asin_~x) c_ULTIMATE.start___ieee754_asin_~hx~0) (= .cse1 (_ +zero 11 53))))) (exists ((|v_ULTIMATE.start_main_#t~nondet132_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet131_6| (_ BitVec 64)) (ULTIMATE.start___ieee754_asin_~x (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet131_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet131_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet131_6|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet132_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet132_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet132_6|)))) (and (= (fp ((_ extract 63 63) ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_asin_~x)) (fp.div roundNearestTiesToEven .cse2 .cse3)) (= (_ +zero 11 53) .cse2) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) ULTIMATE.start___ieee754_asin_~x)) c_ULTIMATE.start___ieee754_asin_~ix~0) (= .cse3 (_ +zero 11 53))))) (bvsge c_ULTIMATE.start___ieee754_asin_~ix~0 (_ bv1072693248 32))) is different from false [2020-12-02 15:10:16,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:10:16,195 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2020-12-02 15:10:16,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 15:10:16,386 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-12-02 15:10:16,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:10:16,387 INFO L225 Difference]: With dead ends: 79 [2020-12-02 15:10:16,387 INFO L226 Difference]: Without dead ends: 19 [2020-12-02 15:10:16,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 43.2s TimeCoverageRelationStatistics Valid=24, Invalid=52, Unknown=4, NotChecked=30, Total=110 [2020-12-02 15:10:16,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-12-02 15:10:16,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2020-12-02 15:10:16,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-02 15:10:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-12-02 15:10:16,393 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2020-12-02 15:10:16,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:10:16,393 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-12-02 15:10:16,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 15:10:16,394 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-12-02 15:10:16,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 15:10:16,394 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:10:16,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:10:16,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:10:16,608 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:10:16,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:10:16,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1311586218, now seen corresponding path program 1 times [2020-12-02 15:10:16,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:10:16,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478970193] [2020-12-02 15:10:16,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 15:10:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:10:18,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 15:10:18,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:10:23,411 WARN L197 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 15:10:33,625 WARN L197 SmtUtils]: Spent 4.64 s on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 15:10:48,415 WARN L197 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 29 [2020-12-02 15:10:48,574 INFO L382 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 15 treesize of output 13 [2020-12-02 15:10:48,639 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:10:48,692 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:10:48,694 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:10:52,131 WARN L197 SmtUtils]: Spent 3.44 s on a formula simplification that was a NOOP. DAG size: 30 [2020-12-02 15:10:52,131 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:10:52,136 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-02 15:10:52,137 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:64, output treesize:53 [2020-12-02 15:11:10,738 WARN L197 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 31 [2020-12-02 15:11:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:11:10,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:11:17,669 INFO L382 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 20 treesize of output 18 [2020-12-02 15:11:17,717 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:11:17,761 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:11:17,762 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:11:17,810 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:11:17,811 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:11:17,811 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:9 [2020-12-02 15:11:36,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:11:36,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478970193] [2020-12-02 15:11:36,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:11:36,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-12-02 15:11:36,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107764995] [2020-12-02 15:11:36,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 15:11:36,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:11:36,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 15:11:36,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=74, Unknown=7, NotChecked=0, Total=110 [2020-12-02 15:11:36,195 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 11 states. [2020-12-02 15:11:38,422 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet132_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet131_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet132_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet132_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet132_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet131_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet131_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet131_8|)))) (and (= (_ +zero 11 53) .cse0) (= (fp.div roundNearestTiesToEven .cse1 .cse0) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_asin_~x))) (= (_ +zero 11 53) .cse1))))) is different from false [2020-12-02 15:11:43,397 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ extract 63 32) c_ULTIMATE.start___ieee754_asin_~x))) (and (= .cse0 c_ULTIMATE.start___ieee754_asin_~hx~0) (= (bvand (_ bv2147483647 32) .cse0) c_ULTIMATE.start___ieee754_asin_~ix~0) (exists ((|v_ULTIMATE.start_main_#t~nondet132_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet131_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet132_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet132_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet132_8|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet131_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet131_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet131_8|)))) (and (= (_ +zero 11 53) .cse1) (= (fp.div roundNearestTiesToEven .cse2 .cse1) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_asin_~x))) (= (_ +zero 11 53) .cse2)))))) is different from false [2020-12-02 15:11:47,175 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet132_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet131_8| (_ BitVec 64)) (ULTIMATE.start___ieee754_asin_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet132_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet132_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet132_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet131_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet131_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet131_8|)))) (and (= ((_ extract 31 0) ULTIMATE.start___ieee754_asin_~x) c_ULTIMATE.start___ieee754_asin_~lx~0) (= (_ +zero 11 53) .cse0) (= (fp.div roundNearestTiesToEven .cse1 .cse0) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_asin_~x))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) ULTIMATE.start___ieee754_asin_~x)) c_ULTIMATE.start___ieee754_asin_~ix~0) (= (_ +zero 11 53) .cse1)))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) c_ULTIMATE.start___ieee754_asin_~x)) c_ULTIMATE.start___ieee754_asin_~ix~0) (exists ((|v_ULTIMATE.start_main_#t~nondet132_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet131_8| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet132_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet132_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet132_8|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet131_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet131_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet131_8|)))) (and (= (_ +zero 11 53) .cse2) (= (fp.div roundNearestTiesToEven .cse3 .cse2) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_asin_~x))) (= (_ +zero 11 53) .cse3))))) is different from false [2020-12-02 15:11:50,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:11:50,689 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-12-02 15:11:51,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 15:11:51,094 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13 [2020-12-02 15:11:51,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:11:51,095 INFO L225 Difference]: With dead ends: 19 [2020-12-02 15:11:51,095 INFO L226 Difference]: Without dead ends: 14 [2020-12-02 15:11:51,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 81.0s TimeCoverageRelationStatistics Valid=35, Invalid=77, Unknown=10, NotChecked=60, Total=182 [2020-12-02 15:11:51,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-02 15:11:51,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-02 15:11:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-02 15:11:51,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2020-12-02 15:11:51,099 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13 [2020-12-02 15:11:51,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:11:51,100 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2020-12-02 15:11:51,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 15:11:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-12-02 15:11:51,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 15:11:51,101 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:11:51,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:11:51,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:11:51,304 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:11:51,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:11:51,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1309739176, now seen corresponding path program 1 times [2020-12-02 15:11:51,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:11:51,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367472440] [2020-12-02 15:11:51,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 15:11:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:11:53,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 15:11:53,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:11:55,609 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start___ieee754_asin_#t~nondet53_7| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_asin_#t~nondet54_7| (_ BitVec 64)) (ULTIMATE.start___ieee754_asin_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|))) (.cse1 (let ((.cse3 (fp ((_ extract 63 63) ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_asin_~x)))) (fp.sub roundNearestTiesToEven .cse3 .cse3))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|)))) (and (= .cse0 .cse1) (= (fp.div roundNearestTiesToEven .cse0 .cse2) (fp ((_ extract 63 63) |c_ULTIMATE.start___ieee754_asin_#res|) ((_ extract 62 52) |c_ULTIMATE.start___ieee754_asin_#res|) ((_ extract 51 0) |c_ULTIMATE.start___ieee754_asin_#res|))) (= .cse1 .cse2)))) is different from false [2020-12-02 15:11:56,655 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:11:56,659 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 15:12:06,058 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv1 32) |c_ULTIMATE.start_isnan_double_#res|) (exists ((ULTIMATE.start_isnan_double_~x (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_asin_#t~nondet53_7| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_asin_#t~nondet54_7| (_ BitVec 64)) (ULTIMATE.start___ieee754_asin_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|))) (.cse3 (fp ((_ extract 63 63) ULTIMATE.start_isnan_double_~x) ((_ extract 62 52) ULTIMATE.start_isnan_double_~x) ((_ extract 51 0) ULTIMATE.start_isnan_double_~x))) (.cse1 (let ((.cse4 (fp ((_ extract 63 63) ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_asin_~x)))) (fp.sub roundNearestTiesToEven .cse4 .cse4))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|)))) (and (= .cse0 .cse1) (= (fp.div roundNearestTiesToEven .cse0 .cse2) .cse3) (not (fp.eq .cse3 .cse3)) (= .cse1 .cse2))))) is different from false [2020-12-02 15:12:12,765 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv1 32) |c_ULTIMATE.start_main_#t~ret135|) (exists ((ULTIMATE.start_isnan_double_~x (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_asin_#t~nondet53_7| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_asin_#t~nondet54_7| (_ BitVec 64)) (ULTIMATE.start___ieee754_asin_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|))) (.cse3 (fp ((_ extract 63 63) ULTIMATE.start_isnan_double_~x) ((_ extract 62 52) ULTIMATE.start_isnan_double_~x) ((_ extract 51 0) ULTIMATE.start_isnan_double_~x))) (.cse1 (let ((.cse4 (fp ((_ extract 63 63) ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_asin_~x)))) (fp.sub roundNearestTiesToEven .cse4 .cse4))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|)))) (and (= .cse0 .cse1) (= (fp.div roundNearestTiesToEven .cse0 .cse2) .cse3) (not (fp.eq .cse3 .cse3)) (= .cse1 .cse2))))) is different from false [2020-12-02 15:12:12,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:12:12,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:12:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:12:15,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367472440] [2020-12-02 15:12:15,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:12:15,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 15:12:15,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228317509] [2020-12-02 15:12:15,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 15:12:15,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:12:15,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 15:12:15,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=24, Unknown=3, NotChecked=30, Total=72 [2020-12-02 15:12:15,769 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 9 states. [2020-12-02 15:12:21,003 WARN L838 $PredicateComparison]: unable to prove that (and (not (let ((.cse0 (fp ((_ extract 63 63) |c_ULTIMATE.start___ieee754_asin_#res|) ((_ extract 62 52) |c_ULTIMATE.start___ieee754_asin_#res|) ((_ extract 51 0) |c_ULTIMATE.start___ieee754_asin_#res|)))) (fp.eq .cse0 .cse0))) (exists ((|v_ULTIMATE.start___ieee754_asin_#t~nondet53_7| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_asin_#t~nondet54_7| (_ BitVec 64)) (ULTIMATE.start___ieee754_asin_~x (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|))) (.cse2 (let ((.cse4 (fp ((_ extract 63 63) ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_asin_~x)))) (fp.sub roundNearestTiesToEven .cse4 .cse4))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|)))) (and (= .cse1 .cse2) (= (fp.div roundNearestTiesToEven .cse1 .cse3) (fp ((_ extract 63 63) |c_ULTIMATE.start___ieee754_asin_#res|) ((_ extract 62 52) |c_ULTIMATE.start___ieee754_asin_#res|) ((_ extract 51 0) |c_ULTIMATE.start___ieee754_asin_#res|))) (= .cse2 .cse3))))) is different from false [2020-12-02 15:12:23,257 WARN L838 $PredicateComparison]: unable to prove that (and (not (= (_ bv0 32) |c_ULTIMATE.start_isnan_double_#res|)) (= (_ bv1 32) |c_ULTIMATE.start_isnan_double_#res|) (exists ((ULTIMATE.start_isnan_double_~x (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_asin_#t~nondet53_7| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_asin_#t~nondet54_7| (_ BitVec 64)) (ULTIMATE.start___ieee754_asin_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|))) (.cse3 (fp ((_ extract 63 63) ULTIMATE.start_isnan_double_~x) ((_ extract 62 52) ULTIMATE.start_isnan_double_~x) ((_ extract 51 0) ULTIMATE.start_isnan_double_~x))) (.cse1 (let ((.cse4 (fp ((_ extract 63 63) ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_asin_~x)))) (fp.sub roundNearestTiesToEven .cse4 .cse4))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|)))) (and (= .cse0 .cse1) (= (fp.div roundNearestTiesToEven .cse0 .cse2) .cse3) (not (fp.eq .cse3 .cse3)) (= .cse1 .cse2))))) is different from false [2020-12-02 15:12:25,516 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv1 32) |c_ULTIMATE.start_main_#t~ret135|) (not (= (_ bv0 32) |c_ULTIMATE.start_main_#t~ret135|)) (exists ((ULTIMATE.start_isnan_double_~x (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_asin_#t~nondet53_7| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_asin_#t~nondet54_7| (_ BitVec 64)) (ULTIMATE.start___ieee754_asin_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet53_7|))) (.cse3 (fp ((_ extract 63 63) ULTIMATE.start_isnan_double_~x) ((_ extract 62 52) ULTIMATE.start_isnan_double_~x) ((_ extract 51 0) ULTIMATE.start_isnan_double_~x))) (.cse1 (let ((.cse4 (fp ((_ extract 63 63) ULTIMATE.start___ieee754_asin_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_asin_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_asin_~x)))) (fp.sub roundNearestTiesToEven .cse4 .cse4))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_asin_#t~nondet54_7|)))) (and (= .cse0 .cse1) (= (fp.div roundNearestTiesToEven .cse0 .cse2) .cse3) (not (fp.eq .cse3 .cse3)) (= .cse1 .cse2))))) is different from false [2020-12-02 15:12:25,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:12:25,544 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-12-02 15:12:25,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:12:25,544 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-12-02 15:12:25,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:12:25,544 INFO L225 Difference]: With dead ends: 14 [2020-12-02 15:12:25,545 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:12:25,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=21, Invalid=27, Unknown=6, NotChecked=78, Total=132 [2020-12-02 15:12:25,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:12:25,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:12:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:12:25,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:12:25,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-02 15:12:25,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:12:25,547 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:12:25,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 15:12:25,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:12:25,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:12:25,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 15:12:25,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:12:27,266 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 15:12:27,268 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter(HoareAnnotationComposer.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.(HoareAnnotationComposer.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeCFGHoareAnnotation(BasicCegarLoop.java:1052) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 34 more [2020-12-02 15:12:27,275 INFO L168 Benchmark]: Toolchain (without parser) took 225886.27 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 27.3 MB in the beginning and 42.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:27,276 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 41.9 MB. Free memory is still 19.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:12:27,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.34 ms. Allocated memory is still 50.3 MB. Free memory was 27.0 MB in the beginning and 30.3 MB in the end (delta: -3.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:27,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.44 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 26.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:27,279 INFO L168 Benchmark]: Boogie Preprocessor took 72.38 ms. Allocated memory is still 50.3 MB. Free memory was 26.0 MB in the beginning and 22.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:27,282 INFO L168 Benchmark]: RCFGBuilder took 21604.22 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 22.5 MB in the beginning and 39.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:27,284 INFO L168 Benchmark]: TraceAbstraction took 203447.75 ms. Allocated memory is still 65.0 MB. Free memory was 38.3 MB in the beginning and 42.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:27,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 41.9 MB. Free memory is still 19.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 646.34 ms. Allocated memory is still 50.3 MB. Free memory was 27.0 MB in the beginning and 30.3 MB in the end (delta: -3.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.44 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 26.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.38 ms. Allocated memory is still 50.3 MB. Free memory was 26.0 MB in the beginning and 22.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 21604.22 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 22.5 MB in the beginning and 39.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 203447.75 ms. Allocated memory is still 65.0 MB. Free memory was 38.3 MB in the beginning and 42.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...