./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4307611f131e0de710b212b3a12701bf382df8c7 .................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4307611f131e0de710b212b3a12701bf382df8c7 ..................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:16:52,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:16:52,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:16:52,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:16:52,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:16:52,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:16:52,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:16:52,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:16:52,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:16:52,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:16:52,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:16:52,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:16:52,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:16:52,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:16:52,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:16:52,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:16:52,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:16:52,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:16:52,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:16:52,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:16:52,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:16:52,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:16:52,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:16:52,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:16:52,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:16:52,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:16:52,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:16:52,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:16:52,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:16:52,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:16:52,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:16:52,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:16:52,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:16:52,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:16:52,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:16:52,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:16:52,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:16:52,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:16:52,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:16:52,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:16:52,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:16:52,704 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:16:52,747 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:16:52,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:16:52,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:16:52,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:16:52,749 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:16:52,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:16:52,750 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:16:52,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:16:52,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:16:52,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:16:52,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:16:52,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:16:52,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:16:52,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:16:52,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:16:52,752 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:16:52,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:16:52,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:16:52,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:16:52,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:16:52,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:16:52,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:16:52,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:16:52,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:16:52,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:16:52,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:16:52,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:16:52,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:16:52,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:16:52,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4307611f131e0de710b212b3a12701bf382df8c7 [2020-11-29 22:16:53,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:16:53,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:16:53,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:16:53,131 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:16:53,132 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:16:53,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_double.c [2020-11-29 22:16:53,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/data/a04294029/2d48ae2cabc0458395dfa096bdf152db/FLAGa4d49046e [2020-11-29 22:16:53,846 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:16:53,847 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/sv-benchmarks/c/float-benchs/Rump_double.c [2020-11-29 22:16:53,860 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/data/a04294029/2d48ae2cabc0458395dfa096bdf152db/FLAGa4d49046e [2020-11-29 22:16:54,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/data/a04294029/2d48ae2cabc0458395dfa096bdf152db [2020-11-29 22:16:54,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:16:54,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:16:54,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:16:54,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:16:54,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:16:54,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:16:54" (1/1) ... [2020-11-29 22:16:54,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da434fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54, skipping insertion in model container [2020-11-29 22:16:54,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:16:54" (1/1) ... [2020-11-29 22:16:54,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:16:54,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:16:54,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:16:54,444 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:16:54,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:16:54,488 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:16:54,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54 WrapperNode [2020-11-29 22:16:54,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:16:54,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:16:54,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:16:54,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:16:54,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54" (1/1) ... [2020-11-29 22:16:54,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54" (1/1) ... [2020-11-29 22:16:54,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:16:54,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:16:54,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:16:54,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:16:54,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54" (1/1) ... [2020-11-29 22:16:54,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54" (1/1) ... [2020-11-29 22:16:54,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54" (1/1) ... [2020-11-29 22:16:54,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54" (1/1) ... [2020-11-29 22:16:54,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54" (1/1) ... [2020-11-29 22:16:54,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54" (1/1) ... [2020-11-29 22:16:54,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54" (1/1) ... [2020-11-29 22:16:54,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:16:54,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:16:54,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:16:54,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:16:54,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:16:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:16:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:16:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:16:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:16:54,894 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:16:54,894 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 22:16:54,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:16:54 BoogieIcfgContainer [2020-11-29 22:16:54,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:16:54,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:16:54,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:16:54,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:16:54,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:16:54" (1/3) ... [2020-11-29 22:16:54,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66736c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:16:54, skipping insertion in model container [2020-11-29 22:16:54,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:54" (2/3) ... [2020-11-29 22:16:54,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66736c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:16:54, skipping insertion in model container [2020-11-29 22:16:54,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:16:54" (3/3) ... [2020-11-29 22:16:54,920 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2020-11-29 22:16:54,946 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:16:54,951 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:16:54,969 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:16:54,997 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:16:54,997 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:16:54,997 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:16:54,997 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:16:54,997 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:16:54,998 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:16:54,998 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:16:54,998 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:16:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-29 22:16:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 22:16:55,016 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:16:55,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-29 22:16:55,017 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:16:55,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:16:55,024 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-11-29 22:16:55,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:16:55,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439229081] [2020-11-29 22:16:55,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:16:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:16:55,148 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:16:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:16:55,191 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:16:55,217 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:16:55,218 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 22:16:55,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:16:55,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:16:55 BoogieIcfgContainer [2020-11-29 22:16:55,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:16:55,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:16:55,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:16:55,248 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:16:55,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:16:54" (3/4) ... [2020-11-29 22:16:55,253 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 22:16:55,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:16:55,257 INFO L168 Benchmark]: Toolchain (without parser) took 1036.67 ms. Allocated memory is still 75.5 MB. Free memory was 43.7 MB in the beginning and 29.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:16:55,259 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 75.5 MB. Free memory was 51.5 MB in the beginning and 51.4 MB in the end (delta: 30.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:16:55,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.16 ms. Allocated memory is still 75.5 MB. Free memory was 43.5 MB in the beginning and 54.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:16:55,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.77 ms. Allocated memory is still 75.5 MB. Free memory was 54.4 MB in the beginning and 53.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:16:55,263 INFO L168 Benchmark]: Boogie Preprocessor took 38.83 ms. Allocated memory is still 75.5 MB. Free memory was 53.0 MB in the beginning and 52.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:16:55,264 INFO L168 Benchmark]: RCFGBuilder took 323.71 ms. Allocated memory is still 75.5 MB. Free memory was 52.0 MB in the beginning and 42.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:16:55,265 INFO L168 Benchmark]: TraceAbstraction took 348.10 ms. Allocated memory is still 75.5 MB. Free memory was 41.5 MB in the beginning and 29.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:16:55,267 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 75.5 MB. Free memory was 29.9 MB in the beginning and 29.6 MB in the end (delta: 336.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:16:55,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 75.5 MB. Free memory was 51.5 MB in the beginning and 51.4 MB in the end (delta: 30.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 271.16 ms. Allocated memory is still 75.5 MB. Free memory was 43.5 MB in the beginning and 54.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.77 ms. Allocated memory is still 75.5 MB. Free memory was 54.4 MB in the beginning and 53.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.83 ms. Allocated memory is still 75.5 MB. Free memory was 53.0 MB in the beginning and 52.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 323.71 ms. Allocated memory is still 75.5 MB. Free memory was 52.0 MB in the beginning and 42.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 348.10 ms. Allocated memory is still 75.5 MB. Free memory was 41.5 MB in the beginning and 29.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.36 ms. Allocated memory is still 75.5 MB. Free memory was 29.9 MB in the beginning and 29.6 MB in the end (delta: 336.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 13. Possible FailurePath: [L10] double x,y,r; [L11] x = 77617. [L12] y = 33096. [L13] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) [L6] COND TRUE !(cond) [L3] __assert_fail("0", "Rump_double.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:16:57,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:16:57,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:16:57,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:16:57,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:16:57,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:16:58,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:16:58,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:16:58,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:16:58,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:16:58,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:16:58,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:16:58,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:16:58,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:16:58,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:16:58,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:16:58,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:16:58,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:16:58,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:16:58,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:16:58,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:16:58,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:16:58,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:16:58,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:16:58,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:16:58,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:16:58,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:16:58,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:16:58,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:16:58,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:16:58,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:16:58,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:16:58,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:16:58,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:16:58,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:16:58,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:16:58,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:16:58,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:16:58,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:16:58,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:16:58,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:16:58,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 22:16:58,092 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:16:58,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:16:58,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:16:58,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:16:58,094 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:16:58,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:16:58,095 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:16:58,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:16:58,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:16:58,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:16:58,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:16:58,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:16:58,096 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 22:16:58,096 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 22:16:58,096 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:16:58,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:16:58,097 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:16:58,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:16:58,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:16:58,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:16:58,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:16:58,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:16:58,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:16:58,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:16:58,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:16:58,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:16:58,099 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 22:16:58,099 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 22:16:58,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:16:58,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:16:58,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 22:16:58,108 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4307611f131e0de710b212b3a12701bf382df8c7 [2020-11-29 22:16:58,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:16:58,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:16:58,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:16:58,589 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:16:58,589 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:16:58,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_double.c [2020-11-29 22:16:58,670 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/data/7471be69a/3d0a30214c044ad888f24a793944107e/FLAG28d7026b3 [2020-11-29 22:16:59,292 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:16:59,294 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/sv-benchmarks/c/float-benchs/Rump_double.c [2020-11-29 22:16:59,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/data/7471be69a/3d0a30214c044ad888f24a793944107e/FLAG28d7026b3 [2020-11-29 22:16:59,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/data/7471be69a/3d0a30214c044ad888f24a793944107e [2020-11-29 22:16:59,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:16:59,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:16:59,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:16:59,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:16:59,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:16:59,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:16:59" (1/1) ... [2020-11-29 22:16:59,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c914af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59, skipping insertion in model container [2020-11-29 22:16:59,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:16:59" (1/1) ... [2020-11-29 22:16:59,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:16:59,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:16:59,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:16:59,857 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:16:59,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:16:59,895 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:16:59,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59 WrapperNode [2020-11-29 22:16:59,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:16:59,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:16:59,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:16:59,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:16:59,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59" (1/1) ... [2020-11-29 22:16:59,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59" (1/1) ... [2020-11-29 22:16:59,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:16:59,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:16:59,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:16:59,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:16:59,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59" (1/1) ... [2020-11-29 22:16:59,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59" (1/1) ... [2020-11-29 22:16:59,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59" (1/1) ... [2020-11-29 22:16:59,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59" (1/1) ... [2020-11-29 22:16:59,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59" (1/1) ... [2020-11-29 22:17:00,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59" (1/1) ... [2020-11-29 22:17:00,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59" (1/1) ... [2020-11-29 22:17:00,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:17:00,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:17:00,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:17:00,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:17:00,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:17:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:17:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:17:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 22:17:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:17:06,974 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:17:06,975 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 22:17:06,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:17:06 BoogieIcfgContainer [2020-11-29 22:17:06,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:17:06,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:17:06,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:17:06,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:17:06,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:16:59" (1/3) ... [2020-11-29 22:17:06,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10643666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:17:06, skipping insertion in model container [2020-11-29 22:17:06,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:59" (2/3) ... [2020-11-29 22:17:06,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10643666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:17:06, skipping insertion in model container [2020-11-29 22:17:06,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:17:06" (3/3) ... [2020-11-29 22:17:06,986 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2020-11-29 22:17:06,999 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:17:07,004 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:17:07,018 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:17:07,045 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:17:07,045 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:17:07,045 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:17:07,046 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:17:07,046 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:17:07,046 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:17:07,046 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:17:07,046 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:17:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-29 22:17:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 22:17:07,062 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:17:07,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-29 22:17:07,064 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:17:07,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:17:07,070 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-11-29 22:17:07,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:17:07,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569099155] [2020-11-29 22:17:07,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 22:17:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:15,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 22:17:15,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:17:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:17:16,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:17:18,186 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) is different from false [2020-11-29 22:17:20,333 WARN L860 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) is different from true [2020-11-29 22:17:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:17:20,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569099155] [2020-11-29 22:17:20,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:17:20,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-29 22:17:20,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176905161] [2020-11-29 22:17:20,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 22:17:20,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:17:20,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 22:17:20,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2020-11-29 22:17:20,363 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 6 states. [2020-11-29 22:17:22,518 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) is different from true [2020-11-29 22:17:22,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:17:22,550 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-11-29 22:17:22,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 22:17:22,554 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2020-11-29 22:17:22,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:17:22,560 INFO L225 Difference]: With dead ends: 14 [2020-11-29 22:17:22,560 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:17:22,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2020-11-29 22:17:22,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:17:22,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:17:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:17:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:17:22,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-11-29 22:17:22,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:17:22,592 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:17:22,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 22:17:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:17:22,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:17:22,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 22:17:22,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:17:22,848 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:17:22,849 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:17:22,849 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:17:22,849 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:17:22,849 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:17:22,849 INFO L270 CegarLoopResult]: At program point L16(lines 8 17) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 22:17:22,849 INFO L274 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-11-29 22:17:22,850 INFO L274 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2020-11-29 22:17:22,850 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 22:17:22,850 INFO L270 CegarLoopResult]: At program point L6-3(line 6) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 22:17:22,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:17:22 BoogieIcfgContainer [2020-11-29 22:17:22,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:17:22,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:17:22,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:17:22,866 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:17:22,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:17:06" (3/4) ... [2020-11-29 22:17:22,870 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:17:22,879 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 22:17:22,880 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:17:22,880 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:17:22,880 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:17:22,923 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0d10c13f-d11f-4015-bc00-8cc247fc1735/bin/uautomizer/witness.graphml [2020-11-29 22:17:22,923 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:17:22,925 INFO L168 Benchmark]: Toolchain (without parser) took 23272.07 ms. Allocated memory is still 62.9 MB. Free memory was 42.7 MB in the beginning and 44.9 MB in the end (delta: -2.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:17:22,926 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 62.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:17:22,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.34 ms. Allocated memory is still 62.9 MB. Free memory was 42.6 MB in the beginning and 32.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:17:22,927 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.98 ms. Allocated memory is still 62.9 MB. Free memory was 32.5 MB in the beginning and 46.2 MB in the end (delta: -13.7 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:17:22,928 INFO L168 Benchmark]: Boogie Preprocessor took 50.27 ms. Allocated memory is still 62.9 MB. Free memory was 46.2 MB in the beginning and 45.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:17:22,929 INFO L168 Benchmark]: RCFGBuilder took 6969.91 ms. Allocated memory is still 62.9 MB. Free memory was 45.0 MB in the beginning and 34.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:17:22,929 INFO L168 Benchmark]: TraceAbstraction took 15885.85 ms. Allocated memory is still 62.9 MB. Free memory was 33.6 MB in the beginning and 26.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:17:22,930 INFO L168 Benchmark]: Witness Printer took 57.82 ms. Allocated memory is still 62.9 MB. Free memory was 26.6 MB in the beginning and 44.9 MB in the end (delta: -18.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:17:22,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 62.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 243.34 ms. Allocated memory is still 62.9 MB. Free memory was 42.6 MB in the beginning and 32.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.98 ms. Allocated memory is still 62.9 MB. Free memory was 32.5 MB in the beginning and 46.2 MB in the end (delta: -13.7 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.27 ms. Allocated memory is still 62.9 MB. Free memory was 46.2 MB in the beginning and 45.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6969.91 ms. Allocated memory is still 62.9 MB. Free memory was 45.0 MB in the beginning and 34.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15885.85 ms. Allocated memory is still 62.9 MB. Free memory was 33.6 MB in the beginning and 26.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Witness Printer took 57.82 ms. Allocated memory is still 62.9 MB. Free memory was 26.6 MB in the beginning and 44.9 MB in the end (delta: -18.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 4 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 7.8s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 618 SizeOfPredicates, 6 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...