./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5e4b239cb3bd026eb232df1ad064575bd19fd03 ................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5e4b239cb3bd026eb232df1ad064575bd19fd03 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:42:13,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:42:13,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:42:13,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:42:13,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:42:13,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:42:13,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:42:13,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:42:13,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:42:13,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:42:13,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:42:13,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:42:13,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:42:13,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:42:13,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:42:13,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:42:13,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:42:13,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:42:13,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:42:13,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:42:13,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:42:13,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:42:13,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:42:13,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:42:13,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:42:13,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:42:13,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:42:13,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:42:13,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:42:13,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:42:13,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:42:13,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:42:13,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:42:13,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:42:13,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:42:13,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:42:13,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:42:13,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:42:13,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:42:13,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:42:13,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:42:13,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 00:42:13,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:42:13,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:42:13,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:42:13,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:42:13,432 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:42:13,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:42:13,432 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:42:13,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:42:13,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:42:13,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:42:13,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:42:13,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:42:13,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:42:13,433 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:42:13,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:42:13,434 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:42:13,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:42:13,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:42:13,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:42:13,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:42:13,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:42:13,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:42:13,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:42:13,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:42:13,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:42:13,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:42:13,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:42:13,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:42:13,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e8218ace-fdcb-416d-bfcc-c20aa649caa8/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(__VERIFIER_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 -> b5e4b239cb3bd026eb232df1ad064575bd19fd03 [2019-11-20 00:42:13,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:42:13,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:42:13,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:42:13,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:42:13,598 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:42:13,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2019-11-20 00:42:13,654 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/data/06d0b10f0/d8f2a58dcf85474a824f2f93844d597a/FLAG71b44ce9c [2019-11-20 00:42:14,100 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:42:14,101 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/sv-benchmarks/c/floats-cbmc-regression/float4.i [2019-11-20 00:42:14,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/data/06d0b10f0/d8f2a58dcf85474a824f2f93844d597a/FLAG71b44ce9c [2019-11-20 00:42:14,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/data/06d0b10f0/d8f2a58dcf85474a824f2f93844d597a [2019-11-20 00:42:14,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:42:14,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:42:14,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:42:14,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:42:14,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:42:14,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:42:14" (1/1) ... [2019-11-20 00:42:14,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432b41e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:14, skipping insertion in model container [2019-11-20 00:42:14,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:42:14" (1/1) ... [2019-11-20 00:42:14,476 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:42:14,538 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:42:15,068 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: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1644) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) 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:941) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1616) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) 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:1213) 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:906) 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:1284) 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:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) 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:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 00:42:15,074 INFO L168 Benchmark]: Toolchain (without parser) took 615.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:42:15,075 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:42:15,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:42:15,078 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 612.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 00:42:16,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:42:16,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:42:16,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:42:16,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:42:16,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:42:16,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:42:16,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:42:16,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:42:16,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:42:16,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:42:16,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:42:16,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:42:16,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:42:16,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:42:16,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:42:16,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:42:16,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:42:16,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:42:16,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:42:16,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:42:16,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:42:16,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:42:16,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:42:16,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:42:16,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:42:16,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:42:16,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:42:16,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:42:16,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:42:16,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:42:16,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:42:16,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:42:16,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:42:16,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:42:16,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:42:16,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:42:16,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:42:16,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:42:16,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:42:16,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:42:16,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 00:42:16,815 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:42:16,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:42:16,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:42:16,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:42:16,817 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:42:16,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:42:16,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:42:16,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:42:16,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:42:16,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:42:16,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:42:16,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:42:16,819 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 00:42:16,819 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 00:42:16,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:42:16,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:42:16,820 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:42:16,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:42:16,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:42:16,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:42:16,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:42:16,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:42:16,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:42:16,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:42:16,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:42:16,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:42:16,822 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 00:42:16,822 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 00:42:16,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:42:16,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 00:42:16,823 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_e8218ace-fdcb-416d-bfcc-c20aa649caa8/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(__VERIFIER_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 -> b5e4b239cb3bd026eb232df1ad064575bd19fd03 [2019-11-20 00:42:17,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:42:17,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:42:17,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:42:17,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:42:17,093 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:42:17,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2019-11-20 00:42:17,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/data/e29af5200/9385db1b028b461fbcf7c0da10f58cb3/FLAG17a1841f3 [2019-11-20 00:42:17,667 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:42:17,668 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/sv-benchmarks/c/floats-cbmc-regression/float4.i [2019-11-20 00:42:17,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/data/e29af5200/9385db1b028b461fbcf7c0da10f58cb3/FLAG17a1841f3 [2019-11-20 00:42:18,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/data/e29af5200/9385db1b028b461fbcf7c0da10f58cb3 [2019-11-20 00:42:18,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:42:18,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:42:18,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:42:18,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:42:18,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:42:18,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:42:18" (1/1) ... [2019-11-20 00:42:18,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3875e330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:18, skipping insertion in model container [2019-11-20 00:42:18,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:42:18" (1/1) ... [2019-11-20 00:42:18,179 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:42:18,220 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:42:18,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:42:18,782 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:42:18,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:42:19,074 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:42:19,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19 WrapperNode [2019-11-20 00:42:19,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:42:19,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:42:19,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:42:19,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:42:19,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19" (1/1) ... [2019-11-20 00:42:19,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19" (1/1) ... [2019-11-20 00:42:19,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:42:19,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:42:19,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:42:19,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:42:19,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19" (1/1) ... [2019-11-20 00:42:19,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19" (1/1) ... [2019-11-20 00:42:19,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19" (1/1) ... [2019-11-20 00:42:19,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19" (1/1) ... [2019-11-20 00:42:19,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19" (1/1) ... [2019-11-20 00:42:19,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19" (1/1) ... [2019-11-20 00:42:19,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19" (1/1) ... [2019-11-20 00:42:19,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:42:19,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:42:19,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:42:19,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:42:19,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/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 [2019-11-20 00:42:19,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:42:19,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:42:21,375 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:42:21,375 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 00:42:21,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:42:21 BoogieIcfgContainer [2019-11-20 00:42:21,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:42:21,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:42:21,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:42:21,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:42:21,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:42:18" (1/3) ... [2019-11-20 00:42:21,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118fe590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:42:21, skipping insertion in model container [2019-11-20 00:42:21,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:19" (2/3) ... [2019-11-20 00:42:21,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118fe590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:42:21, skipping insertion in model container [2019-11-20 00:42:21,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:42:21" (3/3) ... [2019-11-20 00:42:21,386 INFO L109 eAbstractionObserver]: Analyzing ICFG float4.i [2019-11-20 00:42:21,395 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:42:21,403 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 43 error locations. [2019-11-20 00:42:21,417 INFO L249 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2019-11-20 00:42:21,439 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:42:21,439 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:42:21,439 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:42:21,439 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:42:21,440 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:42:21,440 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:42:21,440 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:42:21,440 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:42:21,463 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-11-20 00:42:21,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 00:42:21,468 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:42:21,469 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 00:42:21,470 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:42:21,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:42:21,475 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-20 00:42:21,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:42:21,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490288445] [2019-11-20 00:42:21,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/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 [2019-11-20 00:42:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:42:21,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 00:42:21,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:42:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:42:21,551 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:42:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:42:21,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490288445] [2019-11-20 00:42:21,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:42:21,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 00:42:21,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924328575] [2019-11-20 00:42:21,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 00:42:21,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:42:21,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 00:42:21,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 00:42:21,575 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-11-20 00:42:21,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:42:21,595 INFO L93 Difference]: Finished difference Result 204 states and 287 transitions. [2019-11-20 00:42:21,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 00:42:21,596 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 3 [2019-11-20 00:42:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:42:21,606 INFO L225 Difference]: With dead ends: 204 [2019-11-20 00:42:21,606 INFO L226 Difference]: Without dead ends: 53 [2019-11-20 00:42:21,610 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 00:42:21,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-20 00:42:21,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-20 00:42:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-20 00:42:21,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 52 transitions. [2019-11-20 00:42:21,639 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 52 transitions. Word has length 3 [2019-11-20 00:42:21,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:42:21,639 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 52 transitions. [2019-11-20 00:42:21,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 00:42:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 52 transitions. [2019-11-20 00:42:21,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 00:42:21,640 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:42:21,640 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 00:42:21,862 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 00:42:21,862 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:42:21,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:42:21,863 INFO L82 PathProgramCache]: Analyzing trace with hash 961385, now seen corresponding path program 1 times [2019-11-20 00:42:21,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:42:21,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016977881] [2019-11-20 00:42:21,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/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 [2019-11-20 00:42:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:42:25,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 00:42:25,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:42:25,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:42:25,921 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:42:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:42:25,946 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016977881] [2019-11-20 00:42:25,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:42:25,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-20 00:42:25,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040027925] [2019-11-20 00:42:25,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:42:25,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:42:25,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:42:25,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:42:25,949 INFO L87 Difference]: Start difference. First operand 53 states and 52 transitions. Second operand 4 states. [2019-11-20 00:42:33,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:42:33,295 INFO L93 Difference]: Finished difference Result 53 states and 52 transitions. [2019-11-20 00:42:33,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:42:33,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-20 00:42:33,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:42:33,315 INFO L225 Difference]: With dead ends: 53 [2019-11-20 00:42:33,315 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 00:42:33,316 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:42:33,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 00:42:33,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-20 00:42:33,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 00:42:33,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2019-11-20 00:42:33,319 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 4 [2019-11-20 00:42:33,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:42:33,320 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2019-11-20 00:42:33,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:42:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2019-11-20 00:42:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 00:42:33,321 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:42:33,322 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:42:33,525 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 00:42:33,526 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:42:33,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:42:33,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1456229321, now seen corresponding path program 1 times [2019-11-20 00:42:33,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:42:33,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141409650] [2019-11-20 00:42:33,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 00:42:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:42:38,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 00:42:38,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:42:44,220 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)))) is different from false [2019-11-20 00:42:46,237 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)))) is different from true [2019-11-20 00:42:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:42:46,244 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:42:51,180 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-20 00:42:53,419 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.div roundNearestTiesToEven c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) c_ULTIMATE.start_main_~f~0) (not (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven c_ULTIMATE.start_main_~f~0 .cse0) .cse0)))) is different from true [2019-11-20 00:42:59,501 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (or (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.add roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0))))) is different from false [2019-11-20 00:43:01,522 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (or (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.add roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0))))) is different from true [2019-11-20 00:43:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:43:05,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141409650] [2019-11-20 00:43:05,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:43:05,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2019-11-20 00:43:05,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036329729] [2019-11-20 00:43:05,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 00:43:05,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:43:05,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 00:43:05,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=10, Unknown=7, NotChecked=24, Total=56 [2019-11-20 00:43:05,585 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 8 states. [2019-11-20 00:43:09,668 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (or (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.add roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0))))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven c_ULTIMATE.start_main_~f~0 .cse1) .cse1))) is different from false [2019-11-20 00:43:33,897 WARN L191 SmtUtils]: Spent 11.14 s on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2019-11-20 00:43:36,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:43:36,117 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2019-11-20 00:43:36,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 00:43:36,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-11-20 00:43:36,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:43:36,145 INFO L225 Difference]: With dead ends: 29 [2019-11-20 00:43:36,145 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 00:43:36,146 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.9s TimeCoverageRelationStatistics Valid=22, Invalid=16, Unknown=8, NotChecked=44, Total=90 [2019-11-20 00:43:36,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 00:43:36,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 00:43:36,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 00:43:36,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 00:43:36,147 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-11-20 00:43:36,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:43:36,147 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:43:36,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 00:43:36,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:43:36,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 00:43:36,348 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 00:43:36,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 00:43:36,354 INFO L444 ceAbstractionStarter]: For program point L993(line 993) no Hoare annotation was computed. [2019-11-20 00:43:36,354 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2019-11-20 00:43:36,354 INFO L444 ceAbstractionStarter]: For program point L993-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,354 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2019-11-20 00:43:36,354 INFO L444 ceAbstractionStarter]: For program point L1010(line 1010) no Hoare annotation was computed. [2019-11-20 00:43:36,355 INFO L444 ceAbstractionStarter]: For program point L977(line 977) no Hoare annotation was computed. [2019-11-20 00:43:36,355 INFO L444 ceAbstractionStarter]: For program point L1010-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,355 INFO L444 ceAbstractionStarter]: For program point L977-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,355 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2019-11-20 00:43:36,355 INFO L444 ceAbstractionStarter]: For program point L994(line 994) no Hoare annotation was computed. [2019-11-20 00:43:36,355 INFO L444 ceAbstractionStarter]: For program point L994-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,355 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 00:43:36,355 INFO L444 ceAbstractionStarter]: For program point L1011(line 1011) no Hoare annotation was computed. [2019-11-20 00:43:36,355 INFO L444 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2019-11-20 00:43:36,355 INFO L444 ceAbstractionStarter]: For program point L1011-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,356 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2019-11-20 00:43:36,356 INFO L444 ceAbstractionStarter]: For program point L978-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,356 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2019-11-20 00:43:36,356 INFO L444 ceAbstractionStarter]: For program point L995(line 995) no Hoare annotation was computed. [2019-11-20 00:43:36,356 INFO L444 ceAbstractionStarter]: For program point L962(line 962) no Hoare annotation was computed. [2019-11-20 00:43:36,356 INFO L444 ceAbstractionStarter]: For program point L962-1(line 962) no Hoare annotation was computed. [2019-11-20 00:43:36,356 INFO L444 ceAbstractionStarter]: For program point L995-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,356 INFO L444 ceAbstractionStarter]: For program point L962-3(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,356 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2019-11-20 00:43:36,356 INFO L444 ceAbstractionStarter]: For program point L1012(line 1012) no Hoare annotation was computed. [2019-11-20 00:43:36,357 INFO L444 ceAbstractionStarter]: For program point L1012-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,357 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2019-11-20 00:43:36,357 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2019-11-20 00:43:36,357 INFO L444 ceAbstractionStarter]: For program point L963(line 963) no Hoare annotation was computed. [2019-11-20 00:43:36,357 INFO L444 ceAbstractionStarter]: For program point L963-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,357 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 970) no Hoare annotation was computed. [2019-11-20 00:43:36,357 INFO L444 ceAbstractionStarter]: For program point L1013(line 1013) no Hoare annotation was computed. [2019-11-20 00:43:36,357 INFO L444 ceAbstractionStarter]: For program point L1013-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,357 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2019-11-20 00:43:36,357 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2019-11-20 00:43:36,358 INFO L444 ceAbstractionStarter]: For program point L964(line 964) no Hoare annotation was computed. [2019-11-20 00:43:36,358 INFO L444 ceAbstractionStarter]: For program point L964-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,358 INFO L444 ceAbstractionStarter]: For program point L1014(line 1014) no Hoare annotation was computed. [2019-11-20 00:43:36,358 INFO L444 ceAbstractionStarter]: For program point L981(line 981) no Hoare annotation was computed. [2019-11-20 00:43:36,358 INFO L444 ceAbstractionStarter]: For program point L1014-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,358 INFO L444 ceAbstractionStarter]: For program point L981-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,359 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2019-11-20 00:43:36,359 INFO L444 ceAbstractionStarter]: For program point L998(line 998) no Hoare annotation was computed. [2019-11-20 00:43:36,359 INFO L444 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2019-11-20 00:43:36,359 INFO L444 ceAbstractionStarter]: For program point L998-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,359 INFO L444 ceAbstractionStarter]: For program point L965-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,359 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-20 00:43:36,360 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 972) no Hoare annotation was computed. [2019-11-20 00:43:36,360 INFO L444 ceAbstractionStarter]: For program point L1015(line 1015) no Hoare annotation was computed. [2019-11-20 00:43:36,360 INFO L444 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2019-11-20 00:43:36,360 INFO L444 ceAbstractionStarter]: For program point L1015-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,360 INFO L444 ceAbstractionStarter]: For program point L982-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,360 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 987) no Hoare annotation was computed. [2019-11-20 00:43:36,360 INFO L444 ceAbstractionStarter]: For program point L999(line 999) no Hoare annotation was computed. [2019-11-20 00:43:36,360 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2019-11-20 00:43:36,360 INFO L444 ceAbstractionStarter]: For program point L966(line 966) no Hoare annotation was computed. [2019-11-20 00:43:36,360 INFO L444 ceAbstractionStarter]: For program point L999-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,360 INFO L444 ceAbstractionStarter]: For program point L966-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,361 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 00:43:36,361 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2019-11-20 00:43:36,361 INFO L444 ceAbstractionStarter]: For program point L1016(line 1016) no Hoare annotation was computed. [2019-11-20 00:43:36,361 INFO L444 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2019-11-20 00:43:36,361 INFO L444 ceAbstractionStarter]: For program point L983-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,361 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2019-11-20 00:43:36,361 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2019-11-20 00:43:36,361 INFO L444 ceAbstractionStarter]: For program point L1000(line 1000) no Hoare annotation was computed. [2019-11-20 00:43:36,362 INFO L444 ceAbstractionStarter]: For program point L1000-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,362 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2019-11-20 00:43:36,362 INFO L444 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2019-11-20 00:43:36,362 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2019-11-20 00:43:36,362 INFO L444 ceAbstractionStarter]: For program point L984-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,363 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 981) no Hoare annotation was computed. [2019-11-20 00:43:36,363 INFO L444 ceAbstractionStarter]: For program point L1001(line 1001) no Hoare annotation was computed. [2019-11-20 00:43:36,363 INFO L444 ceAbstractionStarter]: For program point L1001-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,363 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 973) no Hoare annotation was computed. [2019-11-20 00:43:36,363 INFO L444 ceAbstractionStarter]: For program point L985(line 985) no Hoare annotation was computed. [2019-11-20 00:43:36,363 INFO L444 ceAbstractionStarter]: For program point L952(lines 952 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,363 INFO L444 ceAbstractionStarter]: For program point L985-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,364 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION(line 1010) no Hoare annotation was computed. [2019-11-20 00:43:36,364 INFO L444 ceAbstractionStarter]: For program point L1002(line 1002) no Hoare annotation was computed. [2019-11-20 00:43:36,364 INFO L444 ceAbstractionStarter]: For program point L969(line 969) no Hoare annotation was computed. [2019-11-20 00:43:36,364 INFO L444 ceAbstractionStarter]: For program point L1002-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,364 INFO L444 ceAbstractionStarter]: For program point L969-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,364 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2019-11-20 00:43:36,365 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 966) no Hoare annotation was computed. [2019-11-20 00:43:36,365 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 00:43:36,365 INFO L444 ceAbstractionStarter]: For program point L986(line 986) no Hoare annotation was computed. [2019-11-20 00:43:36,365 INFO L444 ceAbstractionStarter]: For program point L986-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,365 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-20 00:43:36,365 INFO L444 ceAbstractionStarter]: For program point L1003(line 1003) no Hoare annotation was computed. [2019-11-20 00:43:36,366 INFO L444 ceAbstractionStarter]: For program point L970(line 970) no Hoare annotation was computed. [2019-11-20 00:43:36,366 INFO L444 ceAbstractionStarter]: For program point L1003-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,366 INFO L444 ceAbstractionStarter]: For program point L970-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,366 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1003) no Hoare annotation was computed. [2019-11-20 00:43:36,366 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2019-11-20 00:43:36,367 INFO L444 ceAbstractionStarter]: For program point L987(line 987) no Hoare annotation was computed. [2019-11-20 00:43:36,367 INFO L444 ceAbstractionStarter]: For program point L987-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,367 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 965) no Hoare annotation was computed. [2019-11-20 00:43:36,367 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 982) no Hoare annotation was computed. [2019-11-20 00:43:36,367 INFO L444 ceAbstractionStarter]: For program point L1004(line 1004) no Hoare annotation was computed. [2019-11-20 00:43:36,367 INFO L444 ceAbstractionStarter]: For program point L971(line 971) no Hoare annotation was computed. [2019-11-20 00:43:36,368 INFO L444 ceAbstractionStarter]: For program point L1004-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,368 INFO L444 ceAbstractionStarter]: For program point L971-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,368 INFO L444 ceAbstractionStarter]: For program point L1005(line 1005) no Hoare annotation was computed. [2019-11-20 00:43:36,368 INFO L444 ceAbstractionStarter]: For program point L972(line 972) no Hoare annotation was computed. [2019-11-20 00:43:36,368 INFO L444 ceAbstractionStarter]: For program point L1005-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,369 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2019-11-20 00:43:36,369 INFO L444 ceAbstractionStarter]: For program point L972-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,369 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2019-11-20 00:43:36,369 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-11-20 00:43:36,369 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2019-11-20 00:43:36,369 INFO L444 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2019-11-20 00:43:36,370 INFO L444 ceAbstractionStarter]: For program point L973-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,370 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2019-11-20 00:43:36,370 INFO L444 ceAbstractionStarter]: For program point L990(line 990) no Hoare annotation was computed. [2019-11-20 00:43:36,370 INFO L444 ceAbstractionStarter]: For program point L990-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,370 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2019-11-20 00:43:36,370 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2019-11-20 00:43:36,371 INFO L444 ceAbstractionStarter]: For program point L991(line 991) no Hoare annotation was computed. [2019-11-20 00:43:36,371 INFO L444 ceAbstractionStarter]: For program point L991-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,371 INFO L444 ceAbstractionStarter]: For program point L1008(line 1008) no Hoare annotation was computed. [2019-11-20 00:43:36,371 INFO L444 ceAbstractionStarter]: For program point L1008-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,371 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2019-11-20 00:43:36,371 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2019-11-20 00:43:36,372 INFO L444 ceAbstractionStarter]: For program point L992(line 992) no Hoare annotation was computed. [2019-11-20 00:43:36,372 INFO L444 ceAbstractionStarter]: For program point L992-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,372 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-20 00:43:36,372 INFO L444 ceAbstractionStarter]: For program point L1009(line 1009) no Hoare annotation was computed. [2019-11-20 00:43:36,372 INFO L444 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2019-11-20 00:43:36,372 INFO L444 ceAbstractionStarter]: For program point L1009-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,373 INFO L444 ceAbstractionStarter]: For program point L976-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 00:43:36,373 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2019-11-20 00:43:36,373 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2019-11-20 00:43:36,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:43:36 BoogieIcfgContainer [2019-11-20 00:43:36,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:43:36,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:43:36,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:43:36,378 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:43:36,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:42:21" (3/4) ... [2019-11-20 00:43:36,381 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 00:43:36,393 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 00:43:36,393 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 00:43:36,464 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e8218ace-fdcb-416d-bfcc-c20aa649caa8/bin/uautomizer/witness.graphml [2019-11-20 00:43:36,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:43:36,466 INFO L168 Benchmark]: Toolchain (without parser) took 78299.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 952.4 MB in the beginning and 934.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 178.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:43:36,466 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:43:36,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -101.3 MB). Peak memory consumption was 69.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:43:36,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:43:36,468 INFO L168 Benchmark]: Boogie Preprocessor took 30.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:43:36,468 INFO L168 Benchmark]: RCFGBuilder took 2220.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:43:36,468 INFO L168 Benchmark]: TraceAbstraction took 74999.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 934.0 MB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:43:36,469 INFO L168 Benchmark]: Witness Printer took 87.30 ms. Allocated memory is still 1.2 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:43:36,470 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 907.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -101.3 MB). Peak memory consumption was 69.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2220.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 74999.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 934.0 MB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. * Witness Printer took 87.30 ms. Allocated memory is still 1.2 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 963]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1012]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 972]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1010]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 985]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 965]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 992]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 990]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1014]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1008]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 987]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1015]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 998]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1004]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1000]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 981]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 977]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 973]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1002]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 993]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1011]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 971]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 984]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 991]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 986]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 962]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1013]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 978]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 999]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1016]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1005]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 966]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 970]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 995]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1009]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 982]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1001]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1003]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 43 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 43 error locations. Result: SAFE, OverallTime: 74.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 37.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 100 SDtfs, 71 SDslu, 7 SDs, 0 SdLazy, 29 SolverSat, 13 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 8.4s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 3 QuantifiedInterpolants, 17816 SizeOfPredicates, 4 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...