./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/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 c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 .................................................................................................................................................................... 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_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/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 c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 ....................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:46:03,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:46:03,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:46:03,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:46:03,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:46:03,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:46:03,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:46:03,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:46:03,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:46:03,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:46:03,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:46:03,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:46:03,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:46:03,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:46:03,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:46:03,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:46:03,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:46:03,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:46:03,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:46:03,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:46:03,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:46:03,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:46:03,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:46:03,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:46:03,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:46:03,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:46:03,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:46:03,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:46:03,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:46:03,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:46:03,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:46:03,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:46:03,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:46:03,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:46:03,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:46:03,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:46:03,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:46:03,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:46:03,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:46:03,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:46:03,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:46:03,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:46:03,573 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:46:03,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:46:03,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:46:03,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:46:03,574 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:46:03,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:46:03,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:46:03,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:46:03,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:46:03,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:46:03,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:46:03,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:46:03,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:46:03,576 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:46:03,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:46:03,576 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:46:03,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:46:03,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:46:03,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:46:03,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:46:03,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:46:03,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:46:03,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:46:03,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:46:03,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:46:03,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:46:03,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:46:03,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:46:03,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:46:03,578 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_3b3b168e-1073-4efe-a9c1-39a843e31b59/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 -> c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 [2019-12-07 18:46:03,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:46:03,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:46:03,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:46:03,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:46:03,694 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:46:03,695 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-12-07 18:46:03,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/data/91d5dce75/cf2d6b9720644d8087621f91235b284f/FLAGcbad7a0b1 [2019-12-07 18:46:04,120 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:46:04,121 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-12-07 18:46:04,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/data/91d5dce75/cf2d6b9720644d8087621f91235b284f/FLAGcbad7a0b1 [2019-12-07 18:46:04,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/data/91d5dce75/cf2d6b9720644d8087621f91235b284f [2019-12-07 18:46:04,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:46:04,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:46:04,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:46:04,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:46:04,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:46:04,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:46:04" (1/1) ... [2019-12-07 18:46:04,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ce9327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:04, skipping insertion in model container [2019-12-07 18:46:04,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:46:04" (1/1) ... [2019-12-07 18:46:04,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:46:04,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:46:04,479 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:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) 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:1064) 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:2326) 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:697) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2326) 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:698) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2326) 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:2326) 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:1553) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) 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:1407) 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:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java: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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 18:46:04,483 INFO L168 Benchmark]: Toolchain (without parser) took 341.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:04,484 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:46:04,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:04,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 18.3 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 0.1.25-f470102 [2019-12-07 18:46:05,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:46:05,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:46:05,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:46:05,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:46:05,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:46:05,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:46:05,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:46:05,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:46:05,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:46:05,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:46:05,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:46:05,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:46:05,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:46:05,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:46:05,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:46:05,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:46:05,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:46:05,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:46:05,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:46:05,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:46:05,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:46:05,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:46:05,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:46:05,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:46:05,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:46:05,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:46:05,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:46:05,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:46:05,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:46:05,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:46:05,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:46:05,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:46:05,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:46:05,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:46:05,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:46:05,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:46:05,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:46:05,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:46:05,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:46:05,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:46:05,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:46:05,664 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:46:05,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:46:05,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:46:05,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:46:05,665 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:46:05,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:46:05,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:46:05,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:46:05,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:46:05,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:46:05,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:46:05,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:46:05,666 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:46:05,666 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:46:05,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:46:05,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:46:05,667 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:46:05,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:46:05,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:46:05,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:46:05,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:46:05,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:46:05,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:46:05,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:46:05,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:46:05,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:46:05,668 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:46:05,668 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:46:05,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:46:05,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:46:05,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:46:05,669 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_3b3b168e-1073-4efe-a9c1-39a843e31b59/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 -> c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 [2019-12-07 18:46:05,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:46:05,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:46:05,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:46:05,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:46:05,853 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:46:05,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-12-07 18:46:05,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/data/e255b596b/7d9e6f0aa308461e93d1969ffb673521/FLAGa7f2d4122 [2019-12-07 18:46:06,315 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:46:06,316 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-12-07 18:46:06,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/data/e255b596b/7d9e6f0aa308461e93d1969ffb673521/FLAGa7f2d4122 [2019-12-07 18:46:06,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/data/e255b596b/7d9e6f0aa308461e93d1969ffb673521 [2019-12-07 18:46:06,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:46:06,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:46:06,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:46:06,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:46:06,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:46:06,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:46:06" (1/1) ... [2019-12-07 18:46:06,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df1ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:06, skipping insertion in model container [2019-12-07 18:46:06,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:46:06" (1/1) ... [2019-12-07 18:46:06,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:46:06,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:46:07,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:46:07,041 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:46:07,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:46:07,276 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:46:07,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07 WrapperNode [2019-12-07 18:46:07,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:46:07,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:46:07,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:46:07,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:46:07,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07" (1/1) ... [2019-12-07 18:46:07,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07" (1/1) ... [2019-12-07 18:46:07,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:46:07,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:46:07,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:46:07,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:46:07,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07" (1/1) ... [2019-12-07 18:46:07,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07" (1/1) ... [2019-12-07 18:46:07,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07" (1/1) ... [2019-12-07 18:46:07,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07" (1/1) ... [2019-12-07 18:46:07,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07" (1/1) ... [2019-12-07 18:46:07,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07" (1/1) ... [2019-12-07 18:46:07,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07" (1/1) ... [2019-12-07 18:46:07,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:46:07,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:46:07,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:46:07,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:46:07,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/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 [2019-12-07 18:46:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:46:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:46:07,818 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:46:07,818 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 18:46:07,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:46:07 BoogieIcfgContainer [2019-12-07 18:46:07,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:46:07,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:46:07,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:46:07,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:46:07,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:46:06" (1/3) ... [2019-12-07 18:46:07,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a74c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:46:07, skipping insertion in model container [2019-12-07 18:46:07,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:07" (2/3) ... [2019-12-07 18:46:07,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a74c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:46:07, skipping insertion in model container [2019-12-07 18:46:07,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:46:07" (3/3) ... [2019-12-07 18:46:07,824 INFO L109 eAbstractionObserver]: Analyzing ICFG float-to-double1.i [2019-12-07 18:46:07,831 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:46:07,835 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:46:07,842 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:46:07,857 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:46:07,857 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:46:07,858 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:46:07,858 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:46:07,858 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:46:07,858 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:46:07,858 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:46:07,858 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:46:07,867 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-12-07 18:46:07,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 18:46:07,870 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:46:07,870 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 18:46:07,871 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:46:07,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:46:07,874 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-12-07 18:46:07,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:46:07,882 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324730891] [2019-12-07 18:46:07,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/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 [2019-12-07 18:46:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:46:08,025 WARN L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:46:08,028 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:46:08,755 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-12-07 18:46:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:46:09,510 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:46:11,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:46:13,496 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6)))) (or (fp.isNaN .cse0) (fp.eq v_ULTIMATE.start_main_~f~0_6 .cse0)))) (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (or (fp.isNaN v_ULTIMATE.start_main_~f~0_6) (fp.eq v_ULTIMATE.start_main_~f~0_6 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6)))))) is different from false [2019-12-07 18:46:15,513 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6)))) (or (fp.isNaN .cse0) (fp.eq v_ULTIMATE.start_main_~f~0_6 .cse0)))) (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (or (fp.isNaN v_ULTIMATE.start_main_~f~0_6) (fp.eq v_ULTIMATE.start_main_~f~0_6 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6)))))) is different from true [2019-12-07 18:46:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:46:15,515 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324730891] [2019-12-07 18:46:15,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:46:15,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 18:46:15,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404987548] [2019-12-07 18:46:15,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 18:46:15,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:46:15,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 18:46:15,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2019-12-07 18:46:15,530 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 6 states. [2019-12-07 18:46:17,550 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6)))) (or (fp.isNaN .cse0) (fp.eq v_ULTIMATE.start_main_~f~0_6 .cse0)))) (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (or (fp.isNaN v_ULTIMATE.start_main_~f~0_6) (fp.eq v_ULTIMATE.start_main_~f~0_6 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 18:46:18,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:46:18,179 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-12-07 18:46:18,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:46:18,191 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-12-07 18:46:18,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:46:18,195 INFO L225 Difference]: With dead ends: 11 [2019-12-07 18:46:18,195 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:46:18,198 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2019-12-07 18:46:18,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:46:18,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:46:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:46:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:46:18,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-12-07 18:46:18,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:46:18,215 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:46:18,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 18:46:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:46:18,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:46:18,416 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:46:18,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:46:18,431 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:46:18,431 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:46:18,432 INFO L246 CegarLoopResult]: For program point L958(lines 958 966) no Hoare annotation was computed. [2019-12-07 18:46:18,433 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:46:18,433 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:46:18,433 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 965) no Hoare annotation was computed. [2019-12-07 18:46:18,434 INFO L246 CegarLoopResult]: For program point L965(line 965) no Hoare annotation was computed. [2019-12-07 18:46:18,434 INFO L246 CegarLoopResult]: For program point L965-1(line 965) no Hoare annotation was computed. [2019-12-07 18:46:18,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:46:18 BoogieIcfgContainer [2019-12-07 18:46:18,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:46:18,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:46:18,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:46:18,448 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:46:18,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:46:07" (3/4) ... [2019-12-07 18:46:18,455 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:46:18,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 18:46:18,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:46:18,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:46:18,494 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3b3b168e-1073-4efe-a9c1-39a843e31b59/bin/uautomizer/witness.graphml [2019-12-07 18:46:18,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:46:18,495 INFO L168 Benchmark]: Toolchain (without parser) took 11799.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 945.7 MB in the beginning and 965.0 MB in the end (delta: -19.3 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:18,495 INFO L168 Benchmark]: CDTParser took 0.14 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. [2019-12-07 18:46:18,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 945.7 MB in the beginning and 1.0 GB in the end (delta: -71.9 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:18,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.19 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:18,496 INFO L168 Benchmark]: Boogie Preprocessor took 13.98 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. [2019-12-07 18:46:18,496 INFO L168 Benchmark]: RCFGBuilder took 491.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:18,497 INFO L168 Benchmark]: TraceAbstraction took 10625.77 ms. Allocated memory is still 1.2 GB. Free memory was 999.5 MB in the beginning and 965.0 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:18,497 INFO L168 Benchmark]: Witness Printer took 47.00 ms. Allocated memory is still 1.2 GB. Free memory is still 965.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:46:18,499 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 578.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 945.7 MB in the beginning and 1.0 GB in the end (delta: -71.9 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.19 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.98 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 491.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10625.77 ms. Allocated memory is still 1.2 GB. Free memory was 999.5 MB in the beginning and 965.0 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * Witness Printer took 47.00 ms. Allocated memory is still 1.2 GB. Free memory is still 965.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 965]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: SAFE, OverallTime: 10.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 3 SDslu, 4 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 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, 0.1s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 1 QuantifiedInterpolants, 144 SizeOfPredicates, 4 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 5 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...