./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0310.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_0310.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 6d7321a2f2b75333663cf7191b5e5465ad734d2b .................................................................................................................................................................. 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_0310.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 6d7321a2f2b75333663cf7191b5e5465ad734d2b .......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:37:39,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:37:39,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:37:39,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:37:39,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:37:39,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:37:39,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:37:39,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:37:39,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:37:39,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:37:39,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:37:39,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:37:39,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:37:39,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:37:39,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:37:39,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:37:39,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:37:39,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:37:39,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:37:39,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:37:39,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:37:39,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:37:39,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:37:39,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:37:39,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:37:39,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:37:39,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:37:39,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:37:39,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:37:39,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:37:39,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:37:39,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:37:39,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:37:39,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:37:39,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:37:39,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:37:39,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:37:39,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:37:39,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:37:39,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:37:39,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:37:39,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:37:39,376 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:37:39,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:37:39,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:37:39,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:37:39,379 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:37:39,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:37:39,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:37:39,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:37:39,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:37:39,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:37:39,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:37:39,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:37:39,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:37:39,381 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:37:39,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:37:39,382 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:37:39,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:37:39,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:37:39,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:37:39,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:37:39,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:37:39,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:37:39,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:37:39,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:37:39,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:37:39,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:37:39,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:37:39,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:37:39,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:37:39,386 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d7321a2f2b75333663cf7191b5e5465ad734d2b [2020-12-02 15:37:39,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:37:39,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:37:39,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:37:39,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:37:39,818 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:37:39,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0310.c [2020-12-02 15:37:39,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b150298e3/88e7b81430474b10874ed76d85dc7a3d/FLAG22818004e [2020-12-02 15:37:40,643 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:37:40,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0310.c [2020-12-02 15:37:40,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b150298e3/88e7b81430474b10874ed76d85dc7a3d/FLAG22818004e [2020-12-02 15:37:40,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b150298e3/88e7b81430474b10874ed76d85dc7a3d [2020-12-02 15:37:40,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:37:40,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:37:40,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:37:40,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:37:40,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:37:40,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:37:40" (1/1) ... [2020-12-02 15:37:40,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d08c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40, skipping insertion in model container [2020-12-02 15:37:40,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:37:40" (1/1) ... [2020-12-02 15:37:40,984 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:37:41,089 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:37:41,359 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1351) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2199) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:196) 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 15:37:41,365 INFO L168 Benchmark]: Toolchain (without parser) took 419.32 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.0 MB in the beginning and 25.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:37:41,366 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 41.9 MB. Free memory was 27.5 MB in the beginning and 27.4 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:37:41,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.44 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.9 MB in the beginning and 25.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:37:41,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 41.9 MB. Free memory was 27.5 MB in the beginning and 27.4 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.44 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.9 MB in the beginning and 25.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 3.2 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 15:37:43,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:37:43,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:37:44,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:37:44,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:37:44,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:37:44,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:37:44,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:37:44,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:37:44,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:37:44,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:37:44,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:37:44,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:37:44,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:37:44,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:37:44,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:37:44,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:37:44,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:37:44,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:37:44,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:37:44,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:37:44,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:37:44,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:37:44,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:37:44,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:37:44,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:37:44,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:37:44,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:37:44,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:37:44,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:37:44,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:37:44,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:37:44,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:37:44,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:37:44,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:37:44,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:37:44,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:37:44,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:37:44,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:37:44,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:37:44,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:37:44,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:37:44,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:37:44,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:37:44,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:37:44,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:37:44,197 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:37:44,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:37:44,198 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:37:44,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:37:44,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:37:44,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:37:44,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:37:44,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:37:44,199 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:37:44,199 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:37:44,199 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:37:44,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:37:44,200 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:37:44,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:37:44,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:37:44,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:37:44,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:37:44,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:37:44,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:37:44,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:37:44,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:37:44,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:37:44,202 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:37:44,202 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:37:44,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:37:44,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:37:44,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:37:44,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d7321a2f2b75333663cf7191b5e5465ad734d2b [2020-12-02 15:37:44,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:37:44,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:37:44,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:37:44,673 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:37:44,673 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:37:44,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0310.c [2020-12-02 15:37:44,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34033633f/beb3b98225604692bd31118adc358e4b/FLAG8cb6ecc88 [2020-12-02 15:37:45,618 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:37:45,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0310.c [2020-12-02 15:37:45,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34033633f/beb3b98225604692bd31118adc358e4b/FLAG8cb6ecc88 [2020-12-02 15:37:45,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34033633f/beb3b98225604692bd31118adc358e4b [2020-12-02 15:37:45,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:37:45,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:37:45,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:37:45,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:37:45,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:37:45,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:37:45" (1/1) ... [2020-12-02 15:37:45,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d140ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:45, skipping insertion in model container [2020-12-02 15:37:45,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:37:45" (1/1) ... [2020-12-02 15:37:45,877 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:37:45,920 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:37:46,347 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_0310.c[15490,15503] [2020-12-02 15:37:46,351 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:37:46,430 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:37:46,633 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_0310.c[15490,15503] [2020-12-02 15:37:46,637 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:37:46,744 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:37:46,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46 WrapperNode [2020-12-02 15:37:46,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:37:46,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:37:46,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:37:46,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:37:46,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46" (1/1) ... [2020-12-02 15:37:46,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46" (1/1) ... [2020-12-02 15:37:46,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:37:46,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:37:46,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:37:46,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:37:47,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46" (1/1) ... [2020-12-02 15:37:47,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46" (1/1) ... [2020-12-02 15:37:47,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46" (1/1) ... [2020-12-02 15:37:47,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46" (1/1) ... [2020-12-02 15:37:47,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46" (1/1) ... [2020-12-02 15:37:47,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46" (1/1) ... [2020-12-02 15:37:47,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46" (1/1) ... [2020-12-02 15:37:47,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:37:47,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:37:47,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:37:47,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:37:47,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46" (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 15:37:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:37:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:37:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-02 15:37:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:37:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 15:37:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:37:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 15:37:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-02 15:37:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:37:47,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:37:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 15:37:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:37:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:39:06,432 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:39:06,434 INFO L298 CfgBuilder]: Removed 217 assume(true) statements. [2020-12-02 15:39:06,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:06 BoogieIcfgContainer [2020-12-02 15:39:06,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:39:06,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:39:06,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:39:06,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:39:06,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:37:45" (1/3) ... [2020-12-02 15:39:06,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62447c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:06, skipping insertion in model container [2020-12-02 15:39:06,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:46" (2/3) ... [2020-12-02 15:39:06,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62447c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:06, skipping insertion in model container [2020-12-02 15:39:06,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:06" (3/3) ... [2020-12-02 15:39:06,461 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0310.c [2020-12-02 15:39:06,486 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:39:06,491 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:39:06,510 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:39:06,554 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:39:06,554 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:39:06,555 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:39:06,555 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:39:06,555 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:39:06,555 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:39:06,556 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:39:06,556 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:39:06,579 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states. [2020-12-02 15:39:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 15:39:06,587 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:06,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:06,588 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:06,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:06,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1676684853, now seen corresponding path program 1 times [2020-12-02 15:39:06,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:39:06,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111815344] [2020-12-02 15:39:06,617 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 15:39:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:39:09,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:39:09,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:39:09,167 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 15:39:09,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:39:09,180 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 15:39:09,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111815344] [2020-12-02 15:39:09,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:39:09,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:39:09,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166911467] [2020-12-02 15:39:09,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:39:09,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:39:09,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:39:09,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:39:09,227 INFO L87 Difference]: Start difference. First operand 402 states. Second operand 2 states. [2020-12-02 15:39:09,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:39:09,341 INFO L93 Difference]: Finished difference Result 802 states and 1368 transitions. [2020-12-02 15:39:09,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:39:09,348 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 15:39:09,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:39:09,393 INFO L225 Difference]: With dead ends: 802 [2020-12-02 15:39:09,393 INFO L226 Difference]: Without dead ends: 399 [2020-12-02 15:39:09,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 15:39:09,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-12-02 15:39:09,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2020-12-02 15:39:09,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-12-02 15:39:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 522 transitions. [2020-12-02 15:39:09,547 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 522 transitions. Word has length 10 [2020-12-02 15:39:09,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:39:09,548 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 522 transitions. [2020-12-02 15:39:09,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:39:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 522 transitions. [2020-12-02 15:39:09,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:39:09,549 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:09,549 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:09,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:39:09,764 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:09,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:09,766 INFO L82 PathProgramCache]: Analyzing trace with hash 282975246, now seen corresponding path program 1 times [2020-12-02 15:39:09,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:39:09,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [210012244] [2020-12-02 15:39:09,768 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 15:39:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:39:12,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-02 15:39:12,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:39:12,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:39:12,612 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 15:39:12,880 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 15:39:12,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:39:13,880 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-02 15:39:14,482 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-02 15:39:14,537 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 15:39:14,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [210012244] [2020-12-02 15:39:14,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:39:14,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2020-12-02 15:39:14,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563723122] [2020-12-02 15:39:14,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-02 15:39:14,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:39:14,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-02 15:39:14,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-12-02 15:39:14,542 INFO L87 Difference]: Start difference. First operand 399 states and 522 transitions. Second operand 13 states. [2020-12-02 15:39:19,914 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 15:39:21,837 WARN L197 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-12-02 15:39:23,102 WARN L197 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-12-02 15:39:24,215 WARN L197 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-02 15:42:58,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:42:58,543 INFO L93 Difference]: Finished difference Result 529 states and 687 transitions. [2020-12-02 15:42:58,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 15:42:58,557 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 11 [2020-12-02 15:42:58,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:42:58,563 INFO L225 Difference]: With dead ends: 529 [2020-12-02 15:42:58,564 INFO L226 Difference]: Without dead ends: 524 [2020-12-02 15:42:58,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-12-02 15:42:58,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-12-02 15:42:58,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 399. [2020-12-02 15:42:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-12-02 15:42:58,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 521 transitions. [2020-12-02 15:42:58,603 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 521 transitions. Word has length 11 [2020-12-02 15:42:58,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:42:58,604 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 521 transitions. [2020-12-02 15:42:58,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-02 15:42:58,604 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 521 transitions. [2020-12-02 15:42:58,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 15:42:58,605 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:42:58,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:42:58,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:42:58,819 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:42:58,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:42:58,821 INFO L82 PathProgramCache]: Analyzing trace with hash 2053724851, now seen corresponding path program 1 times [2020-12-02 15:42:58,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:42:58,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054730535] [2020-12-02 15:42:58,829 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 15:43:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:43:01,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 15:43:01,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:43:02,650 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 15:43:05,986 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 15:43:11,255 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 15:43:11,276 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 15:43:11,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:43:14,942 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 15:43:14,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054730535] [2020-12-02 15:43:14,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:43:14,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 15:43:14,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715192156] [2020-12-02 15:43:14,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 15:43:14,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:43:14,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 15:43:14,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-02 15:43:14,945 INFO L87 Difference]: Start difference. First operand 399 states and 521 transitions. Second operand 9 states. [2020-12-02 15:43:18,355 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 15:43:20,685 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 15:43:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 15:43:20,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:43:20,888 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:899) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1064) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:966) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:187) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:743) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 45 more [2020-12-02 15:43:20,899 INFO L168 Benchmark]: Toolchain (without parser) took 335041.54 ms. Allocated memory was 52.4 MB in the beginning and 285.2 MB in the end (delta: 232.8 MB). Free memory was 35.0 MB in the beginning and 109.4 MB in the end (delta: -74.3 MB). Peak memory consumption was 161.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:43:20,900 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:43:20,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.15 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 29.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:43:20,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 248.13 ms. Allocated memory was 52.4 MB in the beginning and 77.6 MB in the end (delta: 25.2 MB). Free memory was 29.9 MB in the beginning and 46.9 MB in the end (delta: -17.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:43:20,906 INFO L168 Benchmark]: Boogie Preprocessor took 247.82 ms. Allocated memory is still 77.6 MB. Free memory was 46.9 MB in the beginning and 43.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:43:20,907 INFO L168 Benchmark]: RCFGBuilder took 79193.84 ms. Allocated memory was 77.6 MB in the beginning and 285.2 MB in the end (delta: 207.6 MB). Free memory was 43.3 MB in the beginning and 98.7 MB in the end (delta: -55.4 MB). Peak memory consumption was 153.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:43:20,908 INFO L168 Benchmark]: TraceAbstraction took 254451.30 ms. Allocated memory is still 285.2 MB. Free memory was 98.7 MB in the beginning and 109.4 MB in the end (delta: -10.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:43:20,912 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 889.15 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 29.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 248.13 ms. Allocated memory was 52.4 MB in the beginning and 77.6 MB in the end (delta: 25.2 MB). Free memory was 29.9 MB in the beginning and 46.9 MB in the end (delta: -17.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 247.82 ms. Allocated memory is still 77.6 MB. Free memory was 46.9 MB in the beginning and 43.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 79193.84 ms. Allocated memory was 77.6 MB in the beginning and 285.2 MB in the end (delta: 207.6 MB). Free memory was 43.3 MB in the beginning and 98.7 MB in the end (delta: -55.4 MB). Peak memory consumption was 153.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 254451.30 ms. Allocated memory is still 285.2 MB. Free memory was 98.7 MB in the beginning and 109.4 MB in the end (delta: -10.7 MB). There was no memory consumed. 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...