./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970a.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_0970a.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 16ed93f7e94a59686881f163258e4b8f85fe8ac8 ..................................................................................................................................................................... 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_0970a.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 16ed93f7e94a59686881f163258e4b8f85fe8ac8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:28:15,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:28:15,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:28:15,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:28:15,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:28:15,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:28:15,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:28:15,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:28:15,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:28:15,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:28:15,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:28:15,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:28:15,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:28:15,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:28:15,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:28:15,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:28:15,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:28:15,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:28:15,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:28:15,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:28:15,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:28:15,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:28:15,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:28:15,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:28:15,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:28:15,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:28:15,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:28:15,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:28:15,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:28:15,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:28:15,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:28:15,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:28:15,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:28:15,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:28:15,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:28:15,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:28:15,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:28:15,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:28:15,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:28:15,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:28:15,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:28:15,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:28:15,602 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:28:15,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:28:15,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:28:15,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:28:15,607 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:28:15,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:28:15,607 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:28:15,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:28:15,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:28:15,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:28:15,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:28:15,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:28:15,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:28:15,613 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:28:15,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:28:15,614 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:28:15,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:28:15,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:28:15,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:28:15,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:28:15,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:28:15,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:28:15,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:28:15,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:28:15,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:28:15,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:28:15,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:28:15,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:28:15,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:28:15,617 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ed93f7e94a59686881f163258e4b8f85fe8ac8 [2020-12-02 15:28:16,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:28:16,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:28:16,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:28:16,111 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:28:16,112 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:28:16,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970a.c [2020-12-02 15:28:16,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708de1dd0/0c1d21d253fd4da5b14babc88478a1ee/FLAG5e213979d [2020-12-02 15:28:16,836 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:28:16,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0970a.c [2020-12-02 15:28:16,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708de1dd0/0c1d21d253fd4da5b14babc88478a1ee/FLAG5e213979d [2020-12-02 15:28:17,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708de1dd0/0c1d21d253fd4da5b14babc88478a1ee [2020-12-02 15:28:17,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:28:17,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:28:17,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:28:17,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:28:17,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:28:17,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:17" (1/1) ... [2020-12-02 15:28:17,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1405854c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:17, skipping insertion in model container [2020-12-02 15:28:17,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:17" (1/1) ... [2020-12-02 15:28:17,215 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:28:17,242 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:28:17,496 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: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.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: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.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 15:28:17,502 INFO L168 Benchmark]: Toolchain (without parser) took 307.76 ms. Allocated memory is still 50.3 MB. Free memory was 27.0 MB in the beginning and 29.9 MB in the end (delta: -2.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:28:17,503 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 41.9 MB. Free memory is still 21.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:28:17,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.05 ms. Allocated memory is still 50.3 MB. Free memory was 26.9 MB in the beginning and 29.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:28:17,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 41.9 MB. Free memory is still 21.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 304.05 ms. Allocated memory is still 50.3 MB. Free memory was 26.9 MB in the beginning and 29.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 5.5 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 15:28:20,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:28:20,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:28:20,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:28:20,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:28:20,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:28:20,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:28:20,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:28:20,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:28:20,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:28:20,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:28:20,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:28:20,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:28:20,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:28:20,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:28:20,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:28:20,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:28:20,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:28:20,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:28:20,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:28:20,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:28:20,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:28:20,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:28:20,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:28:20,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:28:20,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:28:20,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:28:20,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:28:20,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:28:20,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:28:20,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:28:20,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:28:20,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:28:20,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:28:20,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:28:20,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:28:20,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:28:20,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:28:20,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:28:20,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:28:20,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:28:20,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:28:20,155 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:28:20,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:28:20,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:28:20,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:28:20,161 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:28:20,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:28:20,161 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:28:20,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:28:20,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:28:20,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:28:20,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:28:20,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:28:20,162 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:28:20,162 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:28:20,163 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:28:20,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:28:20,163 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:28:20,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:28:20,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:28:20,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:28:20,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:28:20,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:28:20,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:28:20,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:28:20,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:28:20,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:28:20,167 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:28:20,167 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:28:20,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:28:20,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:28:20,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:28:20,168 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ed93f7e94a59686881f163258e4b8f85fe8ac8 [2020-12-02 15:28:20,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:28:20,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:28:20,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:28:20,693 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:28:20,694 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:28:20,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970a.c [2020-12-02 15:28:20,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1e58a26/07259d55f0864bdc9b72283c44569dd2/FLAG159a42cf7 [2020-12-02 15:28:21,571 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:28:21,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0970a.c [2020-12-02 15:28:21,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1e58a26/07259d55f0864bdc9b72283c44569dd2/FLAG159a42cf7 [2020-12-02 15:28:21,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1e58a26/07259d55f0864bdc9b72283c44569dd2 [2020-12-02 15:28:21,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:28:21,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:28:21,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:28:21,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:28:21,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:28:21,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:21" (1/1) ... [2020-12-02 15:28:21,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a654d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:21, skipping insertion in model container [2020-12-02 15:28:21,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:21" (1/1) ... [2020-12-02 15:28:21,902 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:28:21,927 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:28:22,237 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_0970a.c[4903,4916] [2020-12-02 15:28:22,243 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:28:22,284 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:28:22,355 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_0970a.c[4903,4916] [2020-12-02 15:28:22,356 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:28:22,390 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:28:22,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22 WrapperNode [2020-12-02 15:28:22,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:28:22,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:28:22,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:28:22,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:28:22,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2020-12-02 15:28:22,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2020-12-02 15:28:22,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:28:22,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:28:22,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:28:22,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:28:22,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2020-12-02 15:28:22,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2020-12-02 15:28:22,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2020-12-02 15:28:22,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2020-12-02 15:28:22,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2020-12-02 15:28:22,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2020-12-02 15:28:22,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2020-12-02 15:28:22,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:28:22,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:28:22,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:28:22,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:28:22,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (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 15:28:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:28:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:28:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:28:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:28:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:28:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:28:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:28:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:28:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:28:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:29:01,866 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:29:01,866 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-12-02 15:29:01,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:01 BoogieIcfgContainer [2020-12-02 15:29:01,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:29:01,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:29:01,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:29:01,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:29:01,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:28:21" (1/3) ... [2020-12-02 15:29:01,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7244aadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:01, skipping insertion in model container [2020-12-02 15:29:01,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (2/3) ... [2020-12-02 15:29:01,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7244aadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:01, skipping insertion in model container [2020-12-02 15:29:01,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:01" (3/3) ... [2020-12-02 15:29:01,878 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a.c [2020-12-02 15:29:01,893 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:29:01,898 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:29:01,914 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:29:01,967 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:29:01,970 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:29:01,970 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:29:01,971 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:29:01,971 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:29:01,971 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:29:01,971 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:29:01,971 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:29:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-12-02 15:29:01,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:29:01,992 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:01,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:01,993 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:02,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:02,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1392627184, now seen corresponding path program 1 times [2020-12-02 15:29:02,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:02,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114294972] [2020-12-02 15:29:02,016 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 15:29:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:02,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:29:02,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:02,395 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 15:29:02,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:02,415 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 15:29:02,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114294972] [2020-12-02 15:29:02,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:02,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:29:02,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578198307] [2020-12-02 15:29:02,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:29:02,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:02,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:29:02,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:29:02,443 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-12-02 15:29:02,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:02,468 INFO L93 Difference]: Finished difference Result 95 states and 156 transitions. [2020-12-02 15:29:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:29:02,470 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-02 15:29:02,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:02,482 INFO L225 Difference]: With dead ends: 95 [2020-12-02 15:29:02,482 INFO L226 Difference]: Without dead ends: 45 [2020-12-02 15:29:02,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 15:29:02,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-02 15:29:02,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-02 15:29:02,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-02 15:29:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2020-12-02 15:29:02,530 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 12 [2020-12-02 15:29:02,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:02,531 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2020-12-02 15:29:02,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:29:02,532 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2020-12-02 15:29:02,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 15:29:02,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:02,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:02,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:29:02,747 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:02,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:02,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1009660131, now seen corresponding path program 1 times [2020-12-02 15:29:02,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:02,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911990605] [2020-12-02 15:29:02,750 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 15:29:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:03,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-02 15:29:03,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:03,118 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 15:29:03,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:03,132 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 15:29:03,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911990605] [2020-12-02 15:29:03,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:03,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-12-02 15:29:03,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984986074] [2020-12-02 15:29:03,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 15:29:03,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:03,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 15:29:03,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 15:29:03,136 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand 3 states. [2020-12-02 15:29:03,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:03,242 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2020-12-02 15:29:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 15:29:03,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-02 15:29:03,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:03,244 INFO L225 Difference]: With dead ends: 83 [2020-12-02 15:29:03,244 INFO L226 Difference]: Without dead ends: 45 [2020-12-02 15:29:03,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 15:29:03,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-02 15:29:03,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-02 15:29:03,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-02 15:29:03,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2020-12-02 15:29:03,253 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 13 [2020-12-02 15:29:03,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:03,253 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2020-12-02 15:29:03,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 15:29:03,253 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2020-12-02 15:29:03,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-02 15:29:03,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:03,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:03,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:29:03,468 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:03,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:03,470 INFO L82 PathProgramCache]: Analyzing trace with hash 34829304, now seen corresponding path program 1 times [2020-12-02 15:29:03,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:03,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927939297] [2020-12-02 15:29:03,472 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 15:29:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:03,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-02 15:29:03,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:04,310 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 15:29:04,517 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-02 15:29:04,792 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-02 15:29:05,117 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 15:29:05,932 WARN L197 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-02 15:29:06,430 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 15:29:06,929 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 15:29:06,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:08,149 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 15:29:08,524 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-02 15:29:08,991 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-02 15:29:10,069 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 15:29:10,105 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 15:29:10,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927939297] [2020-12-02 15:29:10,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:10,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2020-12-02 15:29:10,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888519991] [2020-12-02 15:29:10,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-02 15:29:10,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:10,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-02 15:29:10,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-12-02 15:29:10,117 INFO L87 Difference]: Start difference. First operand 45 states and 59 transitions. Second operand 16 states. [2020-12-02 15:29:11,151 WARN L197 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 14 [2020-12-02 15:29:12,088 WARN L197 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 17 [2020-12-02 15:29:12,916 WARN L197 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2020-12-02 15:29:14,419 WARN L197 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-12-02 15:29:14,919 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-12-02 15:29:15,488 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-02 15:29:21,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:21,501 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2020-12-02 15:29:21,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 15:29:21,530 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 17 [2020-12-02 15:29:21,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:21,530 INFO L225 Difference]: With dead ends: 50 [2020-12-02 15:29:21,531 INFO L226 Difference]: Without dead ends: 19 [2020-12-02 15:29:21,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2020-12-02 15:29:21,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-12-02 15:29:21,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-12-02 15:29:21,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-02 15:29:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-12-02 15:29:21,537 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2020-12-02 15:29:21,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:21,537 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-12-02 15:29:21,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-02 15:29:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-12-02 15:29:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-02 15:29:21,538 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:21,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:21,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:29:21,752 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:21,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:21,753 INFO L82 PathProgramCache]: Analyzing trace with hash -675358345, now seen corresponding path program 1 times [2020-12-02 15:29:21,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:21,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784699027] [2020-12-02 15:29:21,755 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 15:29:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:29:23,085 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:29:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:29:24,382 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:29:24,549 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-02 15:29:24,549 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:29:24,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 15:29:24,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:29:24 BoogieIcfgContainer [2020-12-02 15:29:24,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:29:24,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:29:24,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:29:24,815 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:29:24,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:01" (3/4) ... [2020-12-02 15:29:24,818 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-02 15:29:24,896 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 15:29:24,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:29:24,898 INFO L168 Benchmark]: Toolchain (without parser) took 63019.01 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 26.9 MB in the beginning and 18.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:24,899 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 39.8 MB. Free memory was 21.0 MB in the beginning and 21.0 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:29:24,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.98 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 22.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:24,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.63 ms. Allocated memory is still 50.3 MB. Free memory was 22.9 MB in the beginning and 31.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:24,901 INFO L168 Benchmark]: Boogie Preprocessor took 66.38 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 29.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:24,902 INFO L168 Benchmark]: RCFGBuilder took 39313.65 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 28.8 MB in the beginning and 31.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:24,903 INFO L168 Benchmark]: TraceAbstraction took 22942.66 ms. Allocated memory is still 62.9 MB. Free memory was 30.8 MB in the beginning and 22.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:24,918 INFO L168 Benchmark]: Witness Printer took 82.94 ms. Allocated memory is still 62.9 MB. Free memory was 22.9 MB in the beginning and 18.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:24,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 39.8 MB. Free memory was 21.0 MB in the beginning and 21.0 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 509.98 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 22.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.63 ms. Allocated memory is still 50.3 MB. Free memory was 22.9 MB in the beginning and 31.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.38 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 29.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 39313.65 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 28.8 MB in the beginning and 31.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22942.66 ms. Allocated memory is still 62.9 MB. Free memory was 30.8 MB in the beginning and 22.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Witness Printer took 82.94 ms. Allocated memory is still 62.9 MB. Free memory was 22.9 MB in the beginning and 18.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 190]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] EXPR 6.93147180369123816490e-01 [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L19] EXPR 6.93147180369123816490e-01 [L20] EXPR 1.90821492927058770002e-10 [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L20] EXPR 1.90821492927058770002e-10 [L21] EXPR 1.80143985094819840000e+16 [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L21] EXPR 1.80143985094819840000e+16 [L22] EXPR 6.666666666666735130e-01 [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L22] EXPR 6.666666666666735130e-01 [L23] EXPR 3.999999999940941908e-01 [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L23] EXPR 3.999999999940941908e-01 [L24] EXPR 2.857142874366239149e-01 [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L24] EXPR 2.857142874366239149e-01 [L25] EXPR 2.222219843214978396e-01 [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L25] EXPR 2.222219843214978396e-01 [L26] EXPR 1.818357216161805012e-01 [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L26] EXPR 1.818357216161805012e-01 [L27] EXPR 1.531383769920937332e-01 [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L27] EXPR 1.531383769920937332e-01 [L28] EXPR 1.479819860511658591e-01 [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] 1.479819860511658591e-01 [L30] EXPR 0.0 [L30] static const double zero = 0.0; [L30] 0.0 [L113] EXPR 1.80143985094819840000e+16 [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L113] EXPR 1.80143985094819840000e+16 [L114] EXPR 4.34294481903251816668e-01 [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L114] EXPR 4.34294481903251816668e-01 [L115] EXPR 3.01029995663611771306e-01 [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L115] EXPR 3.01029995663611771306e-01 [L116] EXPR 3.69423907715893078616e-13 [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] 3.69423907715893078616e-13 [L118] EXPR 0.0 [L118] static const double zero_log10 = 0.0; [L118] 0.0 VAL [ivln10_log10=4601495173785380110, Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, log10_2hi_log10=4599094494223097856, log10_2lo_log10=4420844829172378422, two54_log=4850376798678024192, two54_log10=4850376798678024192, zero=0, zero_log10=0] [L182] double x = __VERIFIER_nondet_double(); [L184] x < 0 && isfinite_double(x) [L166] __int32_t hx; VAL [ivln10_log10=4601495173785380110, Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, log10_2hi_log10=4599094494223097856, log10_2lo_log10=4420844829172378422, two54_log=4850376798678024192, two54_log10=4850376798678024192, zero=0, zero_log10=0] [L168] ieee_double_shape_type gh_u; [L169] gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] (hx) = gh_u.parts.msw [L172] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [ivln10_log10=4601495173785380110, Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, log10_2hi_log10=4599094494223097856, log10_2lo_log10=4420844829172378422, two54_log=4850376798678024192, two54_log10=4850376798678024192, zero=0, zero_log10=0] [L184] x < 0 && isfinite_double(x) VAL [ivln10_log10=4601495173785380110, Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, log10_2hi_log10=4599094494223097856, log10_2lo_log10=4420844829172378422, two54_log=4850376798678024192, two54_log10=4850376798678024192, zero=0, zero_log10=0] [L184] COND TRUE x < 0 && isfinite_double(x) [L121] double y, z; [L122] __int32_t i, k, hx; [L123] __uint32_t lx; VAL [ivln10_log10=4601495173785380110, Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, log10_2hi_log10=4599094494223097856, log10_2lo_log10=4420844829172378422, two54_log=4850376798678024192, two54_log10=4850376798678024192, zero=0, zero_log10=0] [L126] ieee_double_shape_type ew_u; [L127] ew_u.value = (x) [L128] EXPR ew_u.parts.msw [L128] (hx) = ew_u.parts.msw [L129] EXPR ew_u.parts.lsw [L129] (lx) = ew_u.parts.lsw [L132] k = 0 VAL [ivln10_log10=4601495173785380110, Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, log10_2hi_log10=4599094494223097856, log10_2lo_log10=4420844829172378422, two54_log=4850376798678024192, two54_log10=4850376798678024192, zero=0, zero_log10=0] [L133] COND TRUE hx < 0x00100000 VAL [ivln10_log10=4601495173785380110, Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, log10_2hi_log10=4599094494223097856, log10_2lo_log10=4420844829172378422, two54_log=4850376798678024192, two54_log10=4850376798678024192, zero=0, zero_log10=0] [L134] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L135] EXPR -two54_log10 [L135] EXPR -two54_log10 / zero_log10 [L135] return -two54_log10 / zero_log10; [L186] double res = __ieee754_log10(x); [L163] return x != x; VAL [ivln10_log10=4601495173785380110, Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, log10_2hi_log10=4599094494223097856, log10_2lo_log10=4420844829172378422, two54_log=4850376798678024192, two54_log10=4850376798678024192, zero=0, zero_log10=0] [L189] COND TRUE !isnan_double(res) [L190] reach_error() VAL [ivln10_log10=4601495173785380110, Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, log10_2hi_log10=4599094494223097856, log10_2lo_log10=4420844829172378422, two54_log=4850376798678024192, two54_log10=4850376798678024192, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 22.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 134 SDtfs, 42 SDslu, 117 SDs, 0 SdLazy, 47 SolverSat, 10 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 78 ConstructedInterpolants, 10 QuantifiedInterpolants, 6362 SizeOfPredicates, 12 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...