./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0971.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_0971.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 0c154d02c9b21beef7a386877c7c252d45eb859a ................................................................................................................................................................. 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_0971.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 0c154d02c9b21beef7a386877c7c252d45eb859a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:09:14,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:09:14,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:09:14,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:09:14,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:09:14,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:09:14,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:09:14,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:09:14,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:09:14,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:09:14,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:09:14,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:09:14,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:09:14,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:09:14,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:09:14,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:09:14,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:09:14,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:09:14,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:09:14,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:09:14,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:09:14,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:09:14,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:09:14,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:09:14,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:09:14,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:09:14,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:09:14,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:09:14,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:09:14,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:09:14,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:09:14,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:09:14,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:09:14,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:09:14,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:09:14,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:09:14,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:09:14,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:09:14,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:09:14,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:09:14,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:09:14,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 16:09:14,534 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:09:14,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:09:14,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:09:14,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:09:14,537 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:09:14,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:09:14,537 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:09:14,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 16:09:14,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:09:14,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:09:14,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:09:14,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:09:14,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:09:14,539 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:09:14,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:09:14,540 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:09:14,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:09:14,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:09:14,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:09:14,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:09:14,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:09:14,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:09:14,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:09:14,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:09:14,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:09:14,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 16:09:14,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 16:09:14,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:09:14,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:09:14,543 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c154d02c9b21beef7a386877c7c252d45eb859a [2020-12-02 16:09:14,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:09:14,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:09:14,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:09:14,981 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:09:14,983 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:09:14,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0971.c [2020-12-02 16:09:15,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead58b255/3f22d4c84c814441bf5ab2f5a98d5b3d/FLAGf332e418a [2020-12-02 16:09:15,763 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:09:15,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0971.c [2020-12-02 16:09:15,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead58b255/3f22d4c84c814441bf5ab2f5a98d5b3d/FLAGf332e418a [2020-12-02 16:09:16,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead58b255/3f22d4c84c814441bf5ab2f5a98d5b3d [2020-12-02 16:09:16,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:09:16,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:09:16,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:09:16,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:09:16,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:09:16,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:16" (1/1) ... [2020-12-02 16:09:16,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5463401e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:16, skipping insertion in model container [2020-12-02 16:09:16,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:16" (1/1) ... [2020-12-02 16:09:16,114 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:09:16,161 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:09:16,387 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.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 16:09:16,395 INFO L168 Benchmark]: Toolchain (without parser) took 312.43 ms. Allocated memory is still 52.4 MB. Free memory was 29.9 MB in the beginning and 21.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:16,396 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 52.4 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:09:16,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.29 ms. Allocated memory is still 52.4 MB. Free memory was 29.6 MB in the beginning and 21.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:16,400 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 52.4 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 303.29 ms. Allocated memory is still 52.4 MB. Free memory was 29.6 MB in the beginning and 21.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 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 16:09:18,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:09:18,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:09:18,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:09:18,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:09:18,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:09:18,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:09:18,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:09:18,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:09:18,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:09:18,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:09:18,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:09:18,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:09:18,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:09:18,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:09:18,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:09:18,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:09:18,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:09:19,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:09:19,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:09:19,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:09:19,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:09:19,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:09:19,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:09:19,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:09:19,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:09:19,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:09:19,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:09:19,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:09:19,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:09:19,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:09:19,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:09:19,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:09:19,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:09:19,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:09:19,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:09:19,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:09:19,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:09:19,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:09:19,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:09:19,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:09:19,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 16:09:19,115 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:09:19,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:09:19,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:09:19,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:09:19,120 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:09:19,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:09:19,120 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:09:19,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:09:19,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:09:19,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:09:19,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:09:19,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:09:19,124 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 16:09:19,124 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 16:09:19,124 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:09:19,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:09:19,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:09:19,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:09:19,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:09:19,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:09:19,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:09:19,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:09:19,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:09:19,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:09:19,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:09:19,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:09:19,128 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 16:09:19,128 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 16:09:19,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:09:19,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:09:19,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 16:09:19,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c154d02c9b21beef7a386877c7c252d45eb859a [2020-12-02 16:09:19,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:09:19,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:09:19,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:09:19,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:09:19,576 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:09:19,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0971.c [2020-12-02 16:09:19,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a13bc4ee1/e946e76da21146b09a88c2b5783561db/FLAGb8340e998 [2020-12-02 16:09:20,451 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:09:20,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0971.c [2020-12-02 16:09:20,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a13bc4ee1/e946e76da21146b09a88c2b5783561db/FLAGb8340e998 [2020-12-02 16:09:20,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a13bc4ee1/e946e76da21146b09a88c2b5783561db [2020-12-02 16:09:20,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:09:20,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:09:20,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:09:20,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:09:20,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:09:20,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:20" (1/1) ... [2020-12-02 16:09:20,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62db9ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:20, skipping insertion in model container [2020-12-02 16:09:20,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:20" (1/1) ... [2020-12-02 16:09:20,832 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:09:20,876 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:09:21,176 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_0971.c[4045,4058] [2020-12-02 16:09:21,180 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:09:21,204 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 16:09:21,283 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_0971.c[4045,4058] [2020-12-02 16:09:21,284 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:09:21,311 INFO L217 MainTranslator]: Completed translation [2020-12-02 16:09:21,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21 WrapperNode [2020-12-02 16:09:21,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 16:09:21,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 16:09:21,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 16:09:21,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 16:09:21,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21" (1/1) ... [2020-12-02 16:09:21,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21" (1/1) ... [2020-12-02 16:09:21,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 16:09:21,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 16:09:21,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 16:09:21,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 16:09:21,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21" (1/1) ... [2020-12-02 16:09:21,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21" (1/1) ... [2020-12-02 16:09:21,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21" (1/1) ... [2020-12-02 16:09:21,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21" (1/1) ... [2020-12-02 16:09:21,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21" (1/1) ... [2020-12-02 16:09:21,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21" (1/1) ... [2020-12-02 16:09:21,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21" (1/1) ... [2020-12-02 16:09:21,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 16:09:21,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 16:09:21,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 16:09:21,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 16:09:21,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21" (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 16:09:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 16:09:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 16:09:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 16:09:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 16:09:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 16:09:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 16:09:21,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 16:09:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 16:09:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 16:09:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 16:09:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 16:09:50,813 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 16:09:50,814 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-12-02 16:09:50,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:50 BoogieIcfgContainer [2020-12-02 16:09:50,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 16:09:50,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 16:09:50,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 16:09:50,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 16:09:50,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:09:20" (1/3) ... [2020-12-02 16:09:50,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be30fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:09:50, skipping insertion in model container [2020-12-02 16:09:50,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:21" (2/3) ... [2020-12-02 16:09:50,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be30fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:09:50, skipping insertion in model container [2020-12-02 16:09:50,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:50" (3/3) ... [2020-12-02 16:09:50,825 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971.c [2020-12-02 16:09:50,838 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 16:09:50,843 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 16:09:50,857 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 16:09:50,912 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 16:09:50,912 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 16:09:50,912 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 16:09:50,913 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 16:09:50,913 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 16:09:50,913 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 16:09:50,913 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 16:09:50,914 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 16:09:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-12-02 16:09:50,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 16:09:50,942 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:09:50,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:09:50,944 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:09:50,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:09:50,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2020-12-02 16:09:50,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:09:50,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999283182] [2020-12-02 16:09:50,997 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 16:09:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:09:52,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 16:09:52,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:09:52,274 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 16:09:52,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:09:52,287 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 16:09:52,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999283182] [2020-12-02 16:09:52,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:09:52,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 16:09:52,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357492883] [2020-12-02 16:09:52,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 16:09:52,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:09:52,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 16:09:52,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:09:52,327 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2020-12-02 16:09:52,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:09:52,363 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2020-12-02 16:09:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 16:09:52,366 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-02 16:09:52,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:09:52,379 INFO L225 Difference]: With dead ends: 86 [2020-12-02 16:09:52,380 INFO L226 Difference]: Without dead ends: 41 [2020-12-02 16:09:52,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 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 16:09:52,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-02 16:09:52,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-02 16:09:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-02 16:09:52,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2020-12-02 16:09:52,424 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2020-12-02 16:09:52,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:09:52,425 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2020-12-02 16:09:52,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 16:09:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2020-12-02 16:09:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 16:09:52,425 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:09:52,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:09:52,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 16:09:52,640 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:09:52,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:09:52,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2020-12-02 16:09:52,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:09:52,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317092258] [2020-12-02 16:09:52,644 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 16:09:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:09:53,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-02 16:09:53,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:09:54,610 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 16:09:57,553 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 16:09:57,592 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 16:09:57,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:09:58,873 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 16:09:58,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317092258] [2020-12-02 16:09:58,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:09:58,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-12-02 16:09:58,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377340181] [2020-12-02 16:09:58,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 16:09:58,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:09:58,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 16:09:58,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-02 16:09:58,883 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 7 states. [2020-12-02 16:10:01,210 WARN L197 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 16:10:04,178 WARN L197 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 34 [2020-12-02 16:10:15,490 WARN L197 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 16:10:46,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:10:46,208 INFO L93 Difference]: Finished difference Result 52 states and 64 transitions. [2020-12-02 16:10:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 16:10:46,255 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2020-12-02 16:10:46,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:10:46,256 INFO L225 Difference]: With dead ends: 52 [2020-12-02 16:10:46,256 INFO L226 Difference]: Without dead ends: 47 [2020-12-02 16:10:46,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-12-02 16:10:46,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-02 16:10:46,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2020-12-02 16:10:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-02 16:10:46,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2020-12-02 16:10:46,267 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 54 transitions. Word has length 10 [2020-12-02 16:10:46,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:10:46,267 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 54 transitions. [2020-12-02 16:10:46,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 16:10:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2020-12-02 16:10:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 16:10:46,269 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:10:46,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:10:46,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 16:10:46,470 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:10:46,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:10:46,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1244066674, now seen corresponding path program 1 times [2020-12-02 16:10:46,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:10:46,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495544520] [2020-12-02 16:10:46,474 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 16:10:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:10:47,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-02 16:10:47,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:10:48,560 WARN L197 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 16:10:52,249 WARN L197 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 42 [2020-12-02 16:10:54,380 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet122_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet123_8| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6| (_ BitVec 32)) (~zero~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_log10f_~x (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet123_8|))) (.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet122_8|))) (.cse5 (fp ((_ extract 31 31) ~zero~0) ((_ extract 30 23) ~zero~0) ((_ extract 22 0) ~zero~0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|))) (.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~x)))) (and (= (fp.div roundNearestTiesToEven .cse0 .cse1) .cse2) (= (_ +zero 8 24) .cse1) (= .cse3 (_ +zero 11 53)) (= (_ +zero 8 24) .cse0) (= (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_log10f_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_log10f_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_log10f_#res|)) (fp.div roundNearestTiesToEven .cse4 .cse5)) (= .cse5 ((_ to_fp 8 24) roundNearestTiesToEven .cse3)) (= .cse4 (fp.sub roundNearestTiesToEven .cse2 .cse2))))) is different from false [2020-12-02 16:10:54,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:10:54,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-02 16:10:57,049 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 16:10:57,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:11:02,355 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_log10f_#res_10| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#res_10|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|)))) (or (not (= .cse0 (fp.div c_~CRM .cse1 (fp ((_ extract 31 31) c_~zero~0) ((_ extract 30 23) c_~zero~0) ((_ extract 22 0) c_~zero~0))))) (not (fp.eq .cse0 .cse0)) (not (= (let ((.cse2 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_log10f_~x)))) (fp.sub c_~CRM .cse2 .cse2)) .cse1))))) is different from true [2020-12-02 16:11:02,764 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 16:11:02,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1495544520] [2020-12-02 16:11:02,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:11:02,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-12-02 16:11:02,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632356218] [2020-12-02 16:11:02,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 16:11:02,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:11:02,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 16:11:02,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=56, Unknown=2, NotChecked=30, Total=110 [2020-12-02 16:11:02,767 INFO L87 Difference]: Start difference. First operand 41 states and 54 transitions. Second operand 11 states. [2020-12-02 16:11:05,710 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet122_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet123_8| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet122_8|))) (.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet123_8|)))) (and (= (_ +zero 8 24) .cse0) (= (_ +zero 8 24) .cse1) (= (fp.div c_~CRM .cse1 .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_log10f_~x)))))) (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start___ieee754_log10f_#res_10| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6| (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#res_10|))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|)))) (or (not (= .cse2 (fp.div c_~CRM .cse3 (fp ((_ extract 31 31) c_~zero~0) ((_ extract 30 23) c_~zero~0) ((_ extract 22 0) c_~zero~0))))) (not (fp.eq .cse2 .cse2)) (not (= (let ((.cse4 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_log10f_~x)))) (fp.sub c_~CRM .cse4 .cse4)) .cse3))))) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|)))) (and (= .cse5 (_ +zero 11 53)) (= (fp ((_ extract 31 31) c_~zero~0) ((_ extract 30 23) c_~zero~0) ((_ extract 22 0) c_~zero~0)) ((_ to_fp 8 24) c_~CRM .cse5)))))) is different from false [2020-12-02 16:11:07,762 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet122_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet123_8| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet122_8|))) (.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet123_8|)))) (and (= (_ +zero 8 24) .cse0) (= (_ +zero 8 24) .cse1) (= (fp.div c_~CRM .cse1 .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_log10f_~x)))))) (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start___ieee754_log10f_#res_10| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6| (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#res_10|))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|)))) (or (not (= .cse2 (fp.div c_~CRM .cse3 (fp ((_ extract 31 31) c_~zero~0) ((_ extract 30 23) c_~zero~0) ((_ extract 22 0) c_~zero~0))))) (not (fp.eq .cse2 .cse2)) (not (= (let ((.cse4 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_log10f_~x)))) (fp.sub c_~CRM .cse4 .cse4)) .cse3))))) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|)))) (and (= .cse5 (_ +zero 11 53)) (= (fp ((_ extract 31 31) c_~zero~0) ((_ extract 30 23) c_~zero~0) ((_ extract 22 0) c_~zero~0)) ((_ to_fp 8 24) c_~CRM .cse5)))))) is different from true [2020-12-02 16:11:22,531 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-02 16:11:53,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:11:53,645 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2020-12-02 16:11:53,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 16:11:53,690 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2020-12-02 16:11:53,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:11:53,691 INFO L225 Difference]: With dead ends: 46 [2020-12-02 16:11:53,691 INFO L226 Difference]: Without dead ends: 41 [2020-12-02 16:11:53,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 34.1s TimeCoverageRelationStatistics Valid=37, Invalid=81, Unknown=4, NotChecked=60, Total=182 [2020-12-02 16:11:53,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-02 16:11:53,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-02 16:11:53,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-02 16:11:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2020-12-02 16:11:53,700 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 53 transitions. Word has length 11 [2020-12-02 16:11:53,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:11:53,701 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-12-02 16:11:53,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 16:11:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2020-12-02 16:11:53,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 16:11:53,702 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:11:53,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:11:53,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 16:11:53,912 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:11:53,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:11:53,913 INFO L82 PathProgramCache]: Analyzing trace with hash 23006450, now seen corresponding path program 1 times [2020-12-02 16:11:53,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:11:53,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104128438] [2020-12-02 16:11:53,915 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 16:11:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:11:54,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-02 16:11:54,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:11:56,093 WARN L197 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 16:11:57,735 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 16:12:00,243 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 29 [2020-12-02 16:12:09,198 WARN L197 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-02 16:12:09,212 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:12:09,214 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 16:12:12,217 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 16:12:12,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:12:19,288 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-02 16:12:21,172 WARN L197 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-02 16:12:23,210 WARN L197 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 16:12:23,466 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 16:12:23,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104128438] [2020-12-02 16:12:23,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:12:23,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-12-02 16:12:23,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841186991] [2020-12-02 16:12:23,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-02 16:12:23,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:12:23,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-02 16:12:23,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=160, Unknown=3, NotChecked=0, Total=210 [2020-12-02 16:12:23,468 INFO L87 Difference]: Start difference. First operand 41 states and 53 transitions. Second operand 15 states. [2020-12-02 16:12:30,561 WARN L197 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 31 [2020-12-02 16:12:53,352 WARN L197 SmtUtils]: Spent 17.42 s on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-02 16:13:16,798 WARN L197 SmtUtils]: Spent 19.10 s on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-02 16:13:41,291 WARN L197 SmtUtils]: Spent 22.82 s on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-02 16:13:41,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:13:41,294 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2020-12-02 16:13:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 16:13:41,294 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 12 [2020-12-02 16:13:41,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:13:41,295 INFO L225 Difference]: With dead ends: 44 [2020-12-02 16:13:41,295 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 16:13:41,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 102.7s TimeCoverageRelationStatistics Valid=101, Invalid=238, Unknown=3, NotChecked=0, Total=342 [2020-12-02 16:13:41,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 16:13:41,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 16:13:41,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 16:13:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 16:13:41,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-12-02 16:13:41,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:13:41,297 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 16:13:41,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-02 16:13:41,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 16:13:41,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 16:13:41,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 16:13:41,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 16:13:51,882 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 16:13:51,883 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.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:131) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:53) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.pushContext(SimplifyDDA.java:737) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walkParam(SimplifyDDA.java:526) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:412) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter(HoareAnnotationComposer.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.(HoareAnnotationComposer.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeCFGHoareAnnotation(BasicCegarLoop.java:1052) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 35 more [2020-12-02 16:13:51,891 INFO L168 Benchmark]: Toolchain (without parser) took 271084.81 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 24.9 MB in the beginning and 37.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2020-12-02 16:13:51,893 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 48.2 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:13:51,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.97 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 24.6 MB in the beginning and 44.2 MB in the end (delta: -19.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-12-02 16:13:51,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.43 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 40.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 16:13:51,899 INFO L168 Benchmark]: Boogie Preprocessor took 68.65 ms. Allocated memory is still 62.9 MB. Free memory was 40.3 MB in the beginning and 37.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 16:13:51,900 INFO L168 Benchmark]: RCFGBuilder took 29298.86 ms. Allocated memory is still 62.9 MB. Free memory was 37.2 MB in the beginning and 36.9 MB in the end (delta: 292.1 kB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-12-02 16:13:51,901 INFO L168 Benchmark]: TraceAbstraction took 241069.04 ms. Allocated memory is still 62.9 MB. Free memory was 36.2 MB in the beginning and 37.1 MB in the end (delta: -960.3 kB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-12-02 16:13:51,905 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 48.2 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 501.97 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 24.6 MB in the beginning and 44.2 MB in the end (delta: -19.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 133.43 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 40.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.65 ms. Allocated memory is still 62.9 MB. Free memory was 40.3 MB in the beginning and 37.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 29298.86 ms. Allocated memory is still 62.9 MB. Free memory was 37.2 MB in the beginning and 36.9 MB in the end (delta: 292.1 kB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 241069.04 ms. Allocated memory is still 62.9 MB. Free memory was 36.2 MB in the beginning and 37.1 MB in the end (delta: -960.3 kB). Peak memory consumption was 20.2 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...