./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer --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 cc3f75e5c316a5f090e4557f04dd9c8106a1ddce ................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer --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 cc3f75e5c316a5f090e4557f04dd9c8106a1ddce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:20:04,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:04,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:04,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:04,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:04,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:04,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:04,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:04,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:04,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:04,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:04,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:04,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:04,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:04,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:04,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:04,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:04,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:04,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:04,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:04,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:04,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:04,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:04,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:04,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:04,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:04,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:04,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:04,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:04,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:04,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:04,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:04,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:04,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:04,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:04,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:04,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:04,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:04,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:04,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:04,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:04,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:20:04,525 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:04,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:04,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:04,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:04,528 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:04,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:04,528 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:04,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:04,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:04,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:04,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:04,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:04,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:04,531 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:04,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:04,531 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:04,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:04,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:04,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:04,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:04,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:04,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:04,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:04,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:04,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:04,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:04,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:20:04,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:04,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:04,535 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:/tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3f75e5c316a5f090e4557f04dd9c8106a1ddce [2020-11-28 03:20:04,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:04,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:04,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:04,864 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:04,867 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:04,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2020-11-28 03:20:04,954 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/data/b0f86b678/f78065e6e46b4edc84529351901a99c8/FLAG773cebf7a [2020-11-28 03:20:05,457 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:05,458 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2020-11-28 03:20:05,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/data/b0f86b678/f78065e6e46b4edc84529351901a99c8/FLAG773cebf7a [2020-11-28 03:20:05,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/data/b0f86b678/f78065e6e46b4edc84529351901a99c8 [2020-11-28 03:20:05,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:05,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:05,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:05,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:05,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:05,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:05" (1/1) ... [2020-11-28 03:20:05,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33639933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:05, skipping insertion in model container [2020-11-28 03:20:05,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:05" (1/1) ... [2020-11-28 03:20:05,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:05,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:06,385 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1698) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) 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:1045) 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:1423) 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:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) 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) [2020-11-28 03:20:06,395 INFO L168 Benchmark]: Toolchain (without parser) took 610.34 ms. Allocated memory is still 88.1 MB. Free memory was 55.5 MB in the beginning and 64.5 MB in the end (delta: -9.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:06,395 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:06,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.91 ms. Allocated memory is still 88.1 MB. Free memory was 55.3 MB in the beginning and 64.5 MB in the end (delta: -9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:06,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 605.91 ms. Allocated memory is still 88.1 MB. Free memory was 55.3 MB in the beginning and 64.5 MB in the end (delta: -9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:20:08,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:08,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:08,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:08,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:08,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:08,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:08,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:08,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:08,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:08,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:08,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:08,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:08,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:08,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:08,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:08,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:08,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:08,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:08,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:08,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:08,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:08,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:08,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:08,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:08,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:08,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:08,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:08,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:08,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:08,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:08,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:08,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:08,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:08,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:08,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:08,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:08,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:08,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:08,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:08,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:08,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:20:08,856 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:08,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:08,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:08,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:08,859 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:08,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:08,859 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:08,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:08,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:08,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:08,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:08,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:08,860 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:20:08,861 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:20:08,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:08,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:08,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:08,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:08,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:08,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:08,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:08,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:08,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:08,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:08,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:08,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:08,863 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:20:08,864 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:20:08,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:08,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:08,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:20:08,865 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:/tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3f75e5c316a5f090e4557f04dd9c8106a1ddce [2020-11-28 03:20:09,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:09,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:09,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:09,245 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:09,246 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:09,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2020-11-28 03:20:09,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/data/312a74bb1/5148f3347dbb46a5ab17988ef597f70d/FLAGee04ea640 [2020-11-28 03:20:10,013 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:10,014 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2020-11-28 03:20:10,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/data/312a74bb1/5148f3347dbb46a5ab17988ef597f70d/FLAGee04ea640 [2020-11-28 03:20:10,270 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/data/312a74bb1/5148f3347dbb46a5ab17988ef597f70d [2020-11-28 03:20:10,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:10,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:10,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:10,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:10,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:10,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:10" (1/1) ... [2020-11-28 03:20:10,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37982ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:10, skipping insertion in model container [2020-11-28 03:20:10,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:10" (1/1) ... [2020-11-28 03:20:10,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:10,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:10,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:11,026 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:11,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:11,391 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:11,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11 WrapperNode [2020-11-28 03:20:11,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:11,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:11,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:11,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:11,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11" (1/1) ... [2020-11-28 03:20:11,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11" (1/1) ... [2020-11-28 03:20:11,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:11,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:11,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:11,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:11,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11" (1/1) ... [2020-11-28 03:20:11,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11" (1/1) ... [2020-11-28 03:20:11,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11" (1/1) ... [2020-11-28 03:20:11,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11" (1/1) ... [2020-11-28 03:20:11,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11" (1/1) ... [2020-11-28 03:20:11,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11" (1/1) ... [2020-11-28 03:20:11,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11" (1/1) ... [2020-11-28 03:20:11,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:11,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:11,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:11,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:11,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/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 [2020-11-28 03:20:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:20:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:11,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:12,168 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:12,168 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-28 03:20:12,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:12 BoogieIcfgContainer [2020-11-28 03:20:12,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:12,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:20:12,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:20:12,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:20:12,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:10" (1/3) ... [2020-11-28 03:20:12,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754bcab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:12, skipping insertion in model container [2020-11-28 03:20:12,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:11" (2/3) ... [2020-11-28 03:20:12,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754bcab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:12, skipping insertion in model container [2020-11-28 03:20:12,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:12" (3/3) ... [2020-11-28 03:20:12,182 INFO L111 eAbstractionObserver]: Analyzing ICFG fdim.i [2020-11-28 03:20:12,194 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:20:12,198 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-28 03:20:12,210 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-28 03:20:12,248 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:20:12,248 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:20:12,249 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:20:12,249 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:12,249 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:12,249 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:20:12,249 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:12,249 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:20:12,263 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-11-28 03:20:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 03:20:12,268 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:12,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:20:12,269 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:12,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:12,282 INFO L82 PathProgramCache]: Analyzing trace with hash 889506790, now seen corresponding path program 1 times [2020-11-28 03:20:12,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:20:12,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005549178] [2020-11-28 03:20:12,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/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 [2020-11-28 03:20:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:12,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:20:12,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:12,452 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:20:12,455 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:20:12,457 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:20:12,459 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,460 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,462 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,463 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,464 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,488 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,490 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,510 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,511 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,513 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,514 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,515 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,535 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,536 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:20:12,556 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,557 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,558 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,559 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,560 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,573 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,587 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,588 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,589 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,590 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,605 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,605 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,616 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,617 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,618 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,619 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,619 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,632 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,633 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,648 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,648 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,649 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,650 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,678 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,679 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,691 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:20:12,692 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:20:12,693 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,694 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,695 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,695 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,696 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,708 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,709 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,724 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,724 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,725 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,726 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,727 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,742 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,760 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:20:12,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,762 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,763 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,764 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,787 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,789 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,789 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,806 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,807 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,819 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,820 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,820 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,821 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,822 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,833 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,834 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,846 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,847 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,848 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,849 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,862 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,863 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,875 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:20:12,876 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:20:12,877 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:20:12,877 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,878 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,879 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,880 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,881 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,895 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,896 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,909 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,910 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,910 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,922 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,923 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:12,935 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,936 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,937 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,937 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,949 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,950 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,961 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,988 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:12,988 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:12,989 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,015 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,016 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:20:13,027 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,027 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,028 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,028 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,029 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,053 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,054 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,067 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,068 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,069 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,069 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,070 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,087 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,088 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,099 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:20:13,100 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:20:13,100 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,101 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,101 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,102 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,113 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,114 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,125 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,125 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,126 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,127 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,137 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,138 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,149 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,149 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,150 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,151 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,151 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,162 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,163 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,175 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,176 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,177 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,177 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,188 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,189 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-28 03:20:13,200 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:20:13,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,202 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,202 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,203 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,204 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,220 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,220 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,242 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 03:20:13,242 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,243 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,253 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,254 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 03:20:13,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:13,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:20:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:13,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005549178] [2020-11-28 03:20:13,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:13,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 03:20:13,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094872199] [2020-11-28 03:20:13,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:20:13,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:20:13,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:20:13,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:13,370 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 4 states. [2020-11-28 03:20:13,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:13,515 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2020-11-28 03:20:13,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:20:13,517 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-28 03:20:13,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:13,525 INFO L225 Difference]: With dead ends: 54 [2020-11-28 03:20:13,525 INFO L226 Difference]: Without dead ends: 15 [2020-11-28 03:20:13,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:13,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-11-28 03:20:13,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-28 03:20:13,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:20:13,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-11-28 03:20:13,555 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 6 [2020-11-28 03:20:13,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:13,556 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-11-28 03:20:13,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:20:13,556 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-11-28 03:20:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 03:20:13,556 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:13,557 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:13,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:20:13,761 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:13,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:13,762 INFO L82 PathProgramCache]: Analyzing trace with hash -533815118, now seen corresponding path program 1 times [2020-11-28 03:20:13,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:20:13,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889236237] [2020-11-28 03:20:13,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/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 [2020-11-28 03:20:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:13,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:20:13,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:14,194 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 5 [2020-11-28 03:20:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:14,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:20:16,994 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 84 DAG size of output: 7 [2020-11-28 03:20:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:16,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889236237] [2020-11-28 03:20:16,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:16,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-28 03:20:16,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576425146] [2020-11-28 03:20:16,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:20:17,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:20:17,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:20:17,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:20:17,001 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 6 states. [2020-11-28 03:20:17,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:17,097 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2020-11-28 03:20:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:20:17,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-11-28 03:20:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:17,103 INFO L225 Difference]: With dead ends: 15 [2020-11-28 03:20:17,103 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:20:17,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:17,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:20:17,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:20:17,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:20:17,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:20:17,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-11-28 03:20:17,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:17,105 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:17,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:20:17,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:20:17,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:20:17,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 03:20:17,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:20:17,413 INFO L274 CegarLoopResult]: For program point L877-12(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,413 INFO L274 CegarLoopResult]: For program point L877-14(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,413 INFO L274 CegarLoopResult]: For program point L877-15(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,413 INFO L274 CegarLoopResult]: For program point L877-16(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,414 INFO L274 CegarLoopResult]: For program point L877-18(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,414 INFO L274 CegarLoopResult]: For program point L877-19(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,414 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,414 INFO L274 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-11-28 03:20:17,414 INFO L274 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-11-28 03:20:17,414 INFO L270 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2020-11-28 03:20:17,414 INFO L274 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-11-28 03:20:17,415 INFO L274 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-11-28 03:20:17,415 INFO L270 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2020-11-28 03:20:17,415 INFO L274 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-11-28 03:20:17,415 INFO L274 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-11-28 03:20:17,415 INFO L270 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2020-11-28 03:20:17,415 INFO L274 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-11-28 03:20:17,415 INFO L274 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-11-28 03:20:17,415 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:20:17,416 INFO L270 CegarLoopResult]: At program point L878-15(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2020-11-28 03:20:17,416 INFO L274 CegarLoopResult]: For program point L878-16(line 878) no Hoare annotation was computed. [2020-11-28 03:20:17,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:20:17,416 INFO L274 CegarLoopResult]: For program point L878-17(line 878) no Hoare annotation was computed. [2020-11-28 03:20:17,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:20:17,416 INFO L270 CegarLoopResult]: At program point L878-19(lines 1 888) the Hoare annotation is: (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) [2020-11-28 03:20:17,417 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,417 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:20:17,417 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,417 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,417 INFO L274 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,417 INFO L274 CegarLoopResult]: For program point L877-2(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,417 INFO L274 CegarLoopResult]: For program point L877-3(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,417 INFO L274 CegarLoopResult]: For program point L877-4(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,417 INFO L274 CegarLoopResult]: For program point L877-6(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,417 INFO L274 CegarLoopResult]: For program point L877-7(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,418 INFO L274 CegarLoopResult]: For program point L877-8(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,418 INFO L274 CegarLoopResult]: For program point L877-10(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,418 INFO L274 CegarLoopResult]: For program point L877-11(line 877) no Hoare annotation was computed. [2020-11-28 03:20:17,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,441 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:17 BoogieIcfgContainer [2020-11-28 03:20:17,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:17,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:17,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:17,447 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:17,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:12" (3/4) ... [2020-11-28 03:20:17,452 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:20:17,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-28 03:20:17,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:20:17,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:20:17,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:17,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:17,538 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fac04bf5-c391-450b-8679-aaf125c8cb24/bin/uautomizer/witness.graphml [2020-11-28 03:20:17,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:17,540 INFO L168 Benchmark]: Toolchain (without parser) took 7264.83 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 38.4 MB in the beginning and 56.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,541 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory was 42.1 MB in the beginning and 42.1 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:17,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1116.19 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.2 MB in the beginning and 35.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.14 ms. Allocated memory is still 73.4 MB. Free memory was 34.8 MB in the beginning and 32.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,543 INFO L168 Benchmark]: Boogie Preprocessor took 34.02 ms. Allocated memory is still 73.4 MB. Free memory was 32.2 MB in the beginning and 31.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,544 INFO L168 Benchmark]: RCFGBuilder took 684.60 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 30.6 MB in the beginning and 54.5 MB in the end (delta: -23.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,547 INFO L168 Benchmark]: TraceAbstraction took 5272.03 ms. Allocated memory is still 88.1 MB. Free memory was 53.9 MB in the beginning and 60.1 MB in the end (delta: -6.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:17,547 INFO L168 Benchmark]: Witness Printer took 91.87 ms. Allocated memory is still 88.1 MB. Free memory was 59.6 MB in the beginning and 56.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:17,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory was 42.1 MB in the beginning and 42.1 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1116.19 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.2 MB in the beginning and 35.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.14 ms. Allocated memory is still 73.4 MB. Free memory was 34.8 MB in the beginning and 32.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.02 ms. Allocated memory is still 73.4 MB. Free memory was 32.2 MB in the beginning and 31.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 684.60 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 30.6 MB in the beginning and 54.5 MB in the end (delta: -23.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5272.03 ms. Allocated memory is still 88.1 MB. Free memory was 53.9 MB in the beginning and 60.1 MB in the end (delta: -6.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 91.87 ms. Allocated memory is still 88.1 MB. Free memory was 59.6 MB in the beginning and 56.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant [2020-11-28 03:20:17,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 878]: Loop Invariant [2020-11-28 03:20:17,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 878]: Loop Invariant [2020-11-28 03:20:17,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: !(cond == 0bv32) - InvariantResult [Line: 878]: Loop Invariant [2020-11-28 03:20:17,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:17,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:17,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 10 SDslu, 12 SDs, 0 SdLazy, 18 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 40 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1918 SizeOfPredicates, 7 NumberOfNonLiveVariables, 74 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...