./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271a.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/float_req_bl_1271a.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 01000c3fb4ceae3cc298117e852ec32c23e12ae3 ................................................................................................................................................................................. 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/float_req_bl_1271a.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 01000c3fb4ceae3cc298117e852ec32c23e12ae3 ......................................................................................................................................................................................................................................................................................................................................................... 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 16:21:44,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:21:44,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:21:44,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:21:44,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:21:44,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:21:44,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:21:44,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:21:44,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:21:44,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:21:44,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:21:44,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:21:44,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:21:44,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:21:44,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:21:44,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:21:44,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:21:44,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:21:44,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:21:44,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:21:44,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:21:44,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:21:44,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:21:44,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:21:44,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:21:44,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:21:44,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:21:44,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:21:44,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:21:44,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:21:44,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:21:44,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:21:44,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:21:44,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:21:44,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:21:44,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:21:44,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:21:44,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:21:44,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:21:44,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:21:44,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:21:44,831 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 16:21:44,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:21:44,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:21:44,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:21:44,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:21:44,908 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:21:44,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:21:44,909 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:21:44,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 16:21:44,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:21:44,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:21:44,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:21:44,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:21:44,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:21:44,912 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:21:44,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:21:44,913 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:21:44,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:21:44,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:21:44,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:21:44,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:21:44,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:21:44,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:21:44,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:21:44,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:21:44,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:21:44,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 16:21:44,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 16:21:44,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:21:44,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:21:44,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01000c3fb4ceae3cc298117e852ec32c23e12ae3 [2020-12-02 16:21:45,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:21:45,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:21:45,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:21:45,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:21:45,512 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:21:45,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c [2020-12-02 16:21:45,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55ce84e9/1bad5fc96beb4171a1aafe5eaa4e8cd3/FLAG6858c3cdd [2020-12-02 16:21:46,364 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:21:46,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c [2020-12-02 16:21:46,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55ce84e9/1bad5fc96beb4171a1aafe5eaa4e8cd3/FLAG6858c3cdd [2020-12-02 16:21:46,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55ce84e9/1bad5fc96beb4171a1aafe5eaa4e8cd3 [2020-12-02 16:21:46,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:21:46,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:21:46,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:21:46,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:21:46,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:21:46,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:21:46" (1/1) ... [2020-12-02 16:21:46,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d3126e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:46, skipping insertion in model container [2020-12-02 16:21:46,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:21:46" (1/1) ... [2020-12-02 16:21:46,679 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:21:46,711 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:21:47,040 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.visit(CHandler.java:2341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1351) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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.visit(CHandler.java:1576) 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 16:21:47,048 INFO L168 Benchmark]: Toolchain (without parser) took 394.56 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.1 MB in the beginning and 39.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:21:47,049 INFO L168 Benchmark]: CDTParser took 3.63 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 30.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:21:47,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.08 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.8 MB in the beginning and 39.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:21:47,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.63 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 30.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 390.08 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.8 MB in the beginning and 39.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 5.4 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 16:21:49,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:21:49,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:21:49,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:21:49,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:21:49,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:21:49,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:21:49,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:21:49,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:21:49,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:21:49,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:21:49,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:21:49,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:21:49,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:21:49,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:21:49,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:21:49,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:21:49,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:21:49,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:21:49,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:21:49,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:21:49,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:21:49,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:21:49,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:21:50,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:21:50,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:21:50,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:21:50,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:21:50,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:21:50,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:21:50,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:21:50,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:21:50,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:21:50,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:21:50,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:21:50,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:21:50,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:21:50,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:21:50,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:21:50,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:21:50,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:21:50,036 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 16:21:50,100 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:21:50,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:21:50,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:21:50,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:21:50,104 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:21:50,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:21:50,104 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:21:50,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:21:50,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:21:50,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:21:50,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:21:50,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:21:50,106 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 16:21:50,107 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 16:21:50,107 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:21:50,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:21:50,107 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:21:50,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:21:50,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:21:50,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:21:50,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:21:50,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:21:50,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:21:50,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:21:50,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:21:50,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:21:50,111 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 16:21:50,111 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 16:21:50,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:21:50,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:21:50,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 16:21:50,113 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01000c3fb4ceae3cc298117e852ec32c23e12ae3 [2020-12-02 16:21:50,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:21:50,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:21:50,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:21:50,751 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:21:50,752 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:21:50,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c [2020-12-02 16:21:50,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccd220f06/8fc0b442c92249f7a8ee9b64febeb3de/FLAGe357bfa11 [2020-12-02 16:21:51,834 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:21:51,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c [2020-12-02 16:21:51,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccd220f06/8fc0b442c92249f7a8ee9b64febeb3de/FLAGe357bfa11 [2020-12-02 16:21:52,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccd220f06/8fc0b442c92249f7a8ee9b64febeb3de [2020-12-02 16:21:52,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:21:52,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:21:52,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:21:52,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:21:52,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:21:52,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:21:52" (1/1) ... [2020-12-02 16:21:52,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2529e337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52, skipping insertion in model container [2020-12-02 16:21:52,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:21:52" (1/1) ... [2020-12-02 16:21:52,115 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:21:52,159 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:21:52,510 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/float_req_bl_1271a.c[4883,4896] [2020-12-02 16:21:52,517 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:21:52,550 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 16:21:52,651 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/float_req_bl_1271a.c[4883,4896] [2020-12-02 16:21:52,653 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:21:52,682 INFO L217 MainTranslator]: Completed translation [2020-12-02 16:21:52,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52 WrapperNode [2020-12-02 16:21:52,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 16:21:52,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 16:21:52,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 16:21:52,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 16:21:52,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52" (1/1) ... [2020-12-02 16:21:52,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52" (1/1) ... [2020-12-02 16:21:52,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 16:21:52,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 16:21:52,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 16:21:52,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 16:21:52,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52" (1/1) ... [2020-12-02 16:21:52,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52" (1/1) ... [2020-12-02 16:21:52,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52" (1/1) ... [2020-12-02 16:21:52,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52" (1/1) ... [2020-12-02 16:21:52,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52" (1/1) ... [2020-12-02 16:21:52,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52" (1/1) ... [2020-12-02 16:21:52,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52" (1/1) ... [2020-12-02 16:21:52,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 16:21:52,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 16:21:52,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 16:21:52,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 16:21:52,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52" (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 16:21:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 16:21:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 16:21:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 16:21:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 16:21:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 16:21:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 16:21:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 16:21:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 16:21:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 16:21:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 16:21:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 16:22:05,140 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 16:22:05,140 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-12-02 16:22:05,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:05 BoogieIcfgContainer [2020-12-02 16:22:05,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 16:22:05,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 16:22:05,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 16:22:05,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 16:22:05,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:21:52" (1/3) ... [2020-12-02 16:22:05,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dfcafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:05, skipping insertion in model container [2020-12-02 16:22:05,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:52" (2/3) ... [2020-12-02 16:22:05,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dfcafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:05, skipping insertion in model container [2020-12-02 16:22:05,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:05" (3/3) ... [2020-12-02 16:22:05,153 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2020-12-02 16:22:05,169 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 16:22:05,174 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 16:22:05,200 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 16:22:05,229 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 16:22:05,230 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 16:22:05,230 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 16:22:05,230 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 16:22:05,231 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 16:22:05,231 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 16:22:05,231 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 16:22:05,231 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 16:22:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-12-02 16:22:05,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-02 16:22:05,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:22:05,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:22:05,256 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:22:05,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:22:05,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1113208416, now seen corresponding path program 1 times [2020-12-02 16:22:05,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:22:05,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129183671] [2020-12-02 16:22:05,276 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 16:22:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:22:05,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 16:22:05,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:22:05,802 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 16:22:05,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:22:05,826 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 16:22:05,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129183671] [2020-12-02 16:22:05,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:22:05,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 16:22:05,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104746722] [2020-12-02 16:22:05,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 16:22:05,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:22:05,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 16:22:05,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:22:05,854 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-12-02 16:22:05,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:22:05,889 INFO L93 Difference]: Finished difference Result 218 states and 366 transitions. [2020-12-02 16:22:05,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 16:22:05,891 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-02 16:22:05,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:22:05,906 INFO L225 Difference]: With dead ends: 218 [2020-12-02 16:22:05,906 INFO L226 Difference]: Without dead ends: 106 [2020-12-02 16:22:05,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 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 16:22:05,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-02 16:22:05,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-12-02 16:22:05,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-02 16:22:05,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 138 transitions. [2020-12-02 16:22:05,960 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 138 transitions. Word has length 18 [2020-12-02 16:22:05,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:22:05,960 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 138 transitions. [2020-12-02 16:22:05,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 16:22:05,961 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 138 transitions. [2020-12-02 16:22:05,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 16:22:05,962 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:22:05,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:22:06,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 16:22:06,177 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:22:06,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:22:06,179 INFO L82 PathProgramCache]: Analyzing trace with hash 53585807, now seen corresponding path program 1 times [2020-12-02 16:22:06,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:22:06,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266576090] [2020-12-02 16:22:06,181 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 16:22:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:22:06,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-02 16:22:06,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:22:07,435 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 16:22:10,074 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 16:22:14,579 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 16:22:20,621 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 16:22:26,341 WARN L197 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-02 16:22:33,233 WARN L197 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-02 16:22:33,335 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 16:22:33,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:22:43,883 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 16:22:43,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266576090] [2020-12-02 16:22:43,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:22:43,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-12-02 16:22:43,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965643368] [2020-12-02 16:22:43,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-02 16:22:43,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:22:43,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-02 16:22:43,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-12-02 16:22:43,895 INFO L87 Difference]: Start difference. First operand 106 states and 138 transitions. Second operand 15 states. [2020-12-02 16:22:48,421 WARN L197 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 16:23:02,043 WARN L197 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 34 [2020-12-02 16:23:21,761 WARN L197 SmtUtils]: Spent 6.34 s on a formula simplification that was a NOOP. DAG size: 42 [2020-12-02 16:23:42,708 WARN L197 SmtUtils]: Spent 7.72 s on a formula simplification that was a NOOP. DAG size: 46 [2020-12-02 16:23:51,669 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 16:23:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 16:23:51,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 16:23:51,874 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.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:899) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1064) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:966) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:187) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:743) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) 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) ... 45 more [2020-12-02 16:23:51,881 INFO L168 Benchmark]: Toolchain (without parser) took 119800.57 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 24.8 MB in the beginning and 24.5 MB in the end (delta: 319.9 kB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-12-02 16:23:51,882 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 48.2 MB. Free memory is still 31.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:23:51,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.15 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 24.6 MB in the beginning and 38.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:23:51,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.80 ms. Allocated memory is still 67.1 MB. Free memory was 38.5 MB in the beginning and 34.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 16:23:51,885 INFO L168 Benchmark]: Boogie Preprocessor took 160.72 ms. Allocated memory is still 67.1 MB. Free memory was 34.8 MB in the beginning and 48.1 MB in the end (delta: -13.3 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-12-02 16:23:51,886 INFO L168 Benchmark]: RCFGBuilder took 12209.65 ms. Allocated memory is still 67.1 MB. Free memory was 48.0 MB in the beginning and 30.3 MB in the end (delta: 17.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-12-02 16:23:51,887 INFO L168 Benchmark]: TraceAbstraction took 106734.68 ms. Allocated memory is still 67.1 MB. Free memory was 30.0 MB in the beginning and 24.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-02 16:23:51,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 48.2 MB. Free memory is still 31.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 598.15 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 24.6 MB in the beginning and 38.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.80 ms. Allocated memory is still 67.1 MB. Free memory was 38.5 MB in the beginning and 34.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 160.72 ms. Allocated memory is still 67.1 MB. Free memory was 34.8 MB in the beginning and 48.1 MB in the end (delta: -13.3 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12209.65 ms. Allocated memory is still 67.1 MB. Free memory was 48.0 MB in the beginning and 30.3 MB in the end (delta: 17.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 106734.68 ms. Allocated memory is still 67.1 MB. Free memory was 30.0 MB in the beginning and 24.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.7 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...