./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 750a1ab7397e44f2b5a951260f4479cbcd135f37 .................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 750a1ab7397e44f2b5a951260f4479cbcd135f37 ........................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:24:10,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:24:10,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:24:10,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:24:10,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:24:10,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:24:10,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:24:10,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:24:10,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:24:10,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:24:10,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:24:10,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:24:10,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:24:10,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:24:10,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:24:10,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:24:10,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:24:10,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:24:10,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:24:10,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:24:10,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:24:10,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:24:10,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:24:10,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:24:10,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:24:10,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:24:10,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:24:10,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:24:10,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:24:10,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:24:10,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:24:10,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:24:10,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:24:10,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:24:10,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:24:10,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:24:10,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:24:10,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:24:10,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:24:10,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:24:10,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:24:10,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:24:10,699 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:24:10,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:24:10,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:24:10,702 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:24:10,703 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:24:10,703 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:24:10,703 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:24:10,703 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:24:10,704 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:24:10,704 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:24:10,705 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:24:10,706 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:24:10,706 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:24:10,706 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:24:10,706 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:24:10,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:24:10,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:24:10,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:24:10,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:24:10,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:24:10,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:24:10,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:24:10,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:24:10,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:24:10,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:24:10,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:24:10,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:24:10,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:24:10,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:24:10,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:24:10,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:24:10,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:24:10,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:24:10,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:24:10,716 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:24:10,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:24:10,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:24:10,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:24:10,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:24:10,717 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 750a1ab7397e44f2b5a951260f4479cbcd135f37 [2021-10-16 02:24:11,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:24:11,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:24:11,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:24:11,173 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:24:11,174 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:24:11,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2021-10-16 02:24:11,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/data/9ab2eac94/05d6b60b9a224cb5a3248ab5eb734367/FLAG538b33526 [2021-10-16 02:24:11,963 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:24:11,964 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2021-10-16 02:24:11,978 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/data/9ab2eac94/05d6b60b9a224cb5a3248ab5eb734367/FLAG538b33526 [2021-10-16 02:24:12,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/data/9ab2eac94/05d6b60b9a224cb5a3248ab5eb734367 [2021-10-16 02:24:12,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:24:12,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:24:12,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:24:12,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:24:12,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:24:12,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:24:12" (1/1) ... [2021-10-16 02:24:12,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a707430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:12, skipping insertion in model container [2021-10-16 02:24:12,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:24:12" (1/1) ... [2021-10-16 02:24:12,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:24:12,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:24:12,953 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.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1694) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) 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:2349) 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:712) 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:2349) 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:713) 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:2349) 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:2349) 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:1576) 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:1052) 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:1430) 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:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-16 02:24:12,962 INFO L168 Benchmark]: Toolchain (without parser) took 716.32 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 55.7 MB in the beginning and 95.4 MB in the end (delta: -39.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:24:12,964 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory was 63.5 MB in the beginning and 63.4 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:24:12,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.01 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 55.4 MB in the beginning and 95.4 MB in the end (delta: -40.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:24:12,971 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory was 63.5 MB in the beginning and 63.4 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 710.01 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 55.4 MB in the beginning and 95.4 MB in the end (delta: -40.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: 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 0.2.1-dev-5709675 [2021-10-16 02:24:15,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:24:15,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:24:15,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:24:15,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:24:15,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:24:15,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:24:15,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:24:15,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:24:15,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:24:15,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:24:15,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:24:15,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:24:15,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:24:15,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:24:15,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:24:15,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:24:15,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:24:15,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:24:15,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:24:15,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:24:15,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:24:15,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:24:15,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:24:15,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:24:15,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:24:15,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:24:15,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:24:15,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:24:15,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:24:15,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:24:15,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:24:15,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:24:15,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:24:15,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:24:15,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:24:15,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:24:15,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:24:15,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:24:15,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:24:15,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:24:15,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:24:15,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:24:15,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:24:15,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:24:15,813 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:24:15,813 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:24:15,813 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:24:15,814 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:24:15,814 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:24:15,814 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:24:15,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:24:15,815 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:24:15,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:24:15,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:24:15,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:24:15,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:24:15,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:24:15,817 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:24:15,817 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:24:15,817 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:24:15,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:24:15,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:24:15,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:24:15,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:24:15,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:24:15,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:24:15,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:24:15,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:24:15,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:24:15,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:24:15,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:24:15,820 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:24:15,821 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:24:15,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:24:15,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:24:15,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:24:15,821 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_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 750a1ab7397e44f2b5a951260f4479cbcd135f37 [2021-10-16 02:24:16,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:24:16,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:24:16,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:24:16,359 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:24:16,360 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:24:16,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2021-10-16 02:24:16,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/data/fb3982db6/45b274301b4241b5971bcba99daa5c01/FLAG9482bbc82 [2021-10-16 02:24:17,122 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:24:17,132 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2021-10-16 02:24:17,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/data/fb3982db6/45b274301b4241b5971bcba99daa5c01/FLAG9482bbc82 [2021-10-16 02:24:17,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/data/fb3982db6/45b274301b4241b5971bcba99daa5c01 [2021-10-16 02:24:17,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:24:17,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:24:17,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:24:17,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:24:17,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:24:17,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:24:17" (1/1) ... [2021-10-16 02:24:17,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44eeebfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:17, skipping insertion in model container [2021-10-16 02:24:17,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:24:17" (1/1) ... [2021-10-16 02:24:17,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:24:17,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:24:18,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i[41018,41031] [2021-10-16 02:24:18,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:24:18,259 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:24:18,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i[41018,41031] [2021-10-16 02:24:18,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:24:18,451 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:24:18,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18 WrapperNode [2021-10-16 02:24:18,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:24:18,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:24:18,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:24:18,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:24:18,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18" (1/1) ... [2021-10-16 02:24:18,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18" (1/1) ... [2021-10-16 02:24:18,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:24:18,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:24:18,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:24:18,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:24:18,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18" (1/1) ... [2021-10-16 02:24:18,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18" (1/1) ... [2021-10-16 02:24:18,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18" (1/1) ... [2021-10-16 02:24:18,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18" (1/1) ... [2021-10-16 02:24:18,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18" (1/1) ... [2021-10-16 02:24:18,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18" (1/1) ... [2021-10-16 02:24:18,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18" (1/1) ... [2021-10-16 02:24:18,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:24:18,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:24:18,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:24:18,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:24:18,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18" (1/1) ... [2021-10-16 02:24:18,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:24:18,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:24:18,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:24:18,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:24:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:24:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:24:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:24:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:24:19,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:24:19,704 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 02:24:19,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:24:19 BoogieIcfgContainer [2021-10-16 02:24:19,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:24:19,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:24:19,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:24:19,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:24:19,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:24:17" (1/3) ... [2021-10-16 02:24:19,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d8c36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:24:19, skipping insertion in model container [2021-10-16 02:24:19,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:24:18" (2/3) ... [2021-10-16 02:24:19,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d8c36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:24:19, skipping insertion in model container [2021-10-16 02:24:19,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:24:19" (3/3) ... [2021-10-16 02:24:19,716 INFO L111 eAbstractionObserver]: Analyzing ICFG float-to-double1.i [2021-10-16 02:24:19,722 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:24:19,723 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:24:19,773 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:24:19,779 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:24:19,780 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:24:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:24:19,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-16 02:24:19,801 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:24:19,802 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-16 02:24:19,803 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:24:19,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:24:19,810 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-10-16 02:24:19,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:24:19,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199340350] [2021-10-16 02:24:19,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:24:19,827 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:24:19,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:24:19,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:24:19,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:24:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:24:20,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:24:20,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:24:49,568 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ULTIMATE.start_main_~f~0)))) (and (not (fp.isNaN .cse0)) (not (fp.eq ULTIMATE.start_main_~f~0 .cse0))))) is different from false [2021-10-16 02:24:51,578 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ULTIMATE.start_main_~f~0)))) (and (not (fp.isNaN .cse0)) (not (fp.eq ULTIMATE.start_main_~f~0 .cse0))))) is different from true [2021-10-16 02:24:51,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:24:51,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:25:11,407 WARN L838 $PredicateComparison]: unable to prove that (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.eq v_ULTIMATE.start_main_~f~0_6 .cse0) (fp.isNaN .cse0)))) is different from false [2021-10-16 02:25:13,418 WARN L860 $PredicateComparison]: unable to prove that (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.eq v_ULTIMATE.start_main_~f~0_6 .cse0) (fp.isNaN .cse0)))) is different from true [2021-10-16 02:25:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:25:13,419 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:25:13,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199340350] [2021-10-16 02:25:13,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199340350] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:25:13,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:25:13,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-10-16 02:25:13,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544044180] [2021-10-16 02:25:13,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-16 02:25:13,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:25:13,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-16 02:25:13,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=12, Unknown=5, NotChecked=14, Total=42 [2021-10-16 02:25:13,437 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:25:15,456 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.eq v_ULTIMATE.start_main_~f~0_6 .cse0) (fp.isNaN .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-10-16 02:25:38,509 WARN L207 SmtUtils]: Spent 21.20 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2021-10-16 02:25:38,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:25:38,740 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2021-10-16 02:25:38,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:25:38,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-16 02:25:38,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:25:38,763 INFO L225 Difference]: With dead ends: 11 [2021-10-16 02:25:38,763 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:25:38,766 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39633.8ms TimeCoverageRelationStatistics Valid=17, Invalid=19, Unknown=6, NotChecked=30, Total=72 [2021-10-16 02:25:38,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:25:38,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:25:38,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:25:38,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:25:38,785 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-16 02:25:38,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:25:38,786 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:25:38,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:25:38,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:25:38,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:25:38,789 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:25:38,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:25:38,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:25:38,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:25:38,999 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:25:38,999 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:25:39,000 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:25:39,000 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:25:39,000 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2021-10-16 02:25:39,000 INFO L857 garLoopResultBuilder]: For program point L976(line 976) no Hoare annotation was computed. [2021-10-16 02:25:39,001 INFO L857 garLoopResultBuilder]: For program point L976-1(line 976) no Hoare annotation was computed. [2021-10-16 02:25:39,001 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 977) no Hoare annotation was computed. [2021-10-16 02:25:39,004 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:25:39,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:25:39 BoogieIcfgContainer [2021-10-16 02:25:39,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:25:39,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:25:39,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:25:39,007 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:25:39,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:24:19" (3/4) ... [2021-10-16 02:25:39,011 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:25:39,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-16 02:25:39,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 02:25:39,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:25:39,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:25:39,048 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:25:39,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:25:39,050 INFO L168 Benchmark]: Toolchain (without parser) took 81666.26 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 44.8 MB in the beginning and 79.0 MB in the end (delta: -34.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:25:39,050 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 81.8 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:25:39,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1066.89 ms. Allocated memory is still 81.8 MB. Free memory was 44.7 MB in the beginning and 62.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:25:39,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.65 ms. Allocated memory is still 81.8 MB. Free memory was 62.5 MB in the beginning and 60.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:25:39,052 INFO L168 Benchmark]: Boogie Preprocessor took 32.52 ms. Allocated memory is still 81.8 MB. Free memory was 60.1 MB in the beginning and 59.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:25:39,053 INFO L168 Benchmark]: RCFGBuilder took 1156.23 ms. Allocated memory is still 81.8 MB. Free memory was 59.0 MB in the beginning and 49.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:25:39,054 INFO L168 Benchmark]: TraceAbstraction took 79297.21 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 49.0 MB in the beginning and 81.3 MB in the end (delta: -32.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:25:39,055 INFO L168 Benchmark]: Witness Printer took 41.68 ms. Allocated memory is still 111.1 MB. Free memory was 81.3 MB in the beginning and 79.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:25:39,059 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 81.8 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1066.89 ms. Allocated memory is still 81.8 MB. Free memory was 44.7 MB in the beginning and 62.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.65 ms. Allocated memory is still 81.8 MB. Free memory was 62.5 MB in the beginning and 60.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.52 ms. Allocated memory is still 81.8 MB. Free memory was 60.1 MB in the beginning and 59.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1156.23 ms. Allocated memory is still 81.8 MB. Free memory was 59.0 MB in the beginning and 49.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 79297.21 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 49.0 MB in the beginning and 81.3 MB in the end (delta: -32.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 41.68 ms. Allocated memory is still 111.1 MB. Free memory was 81.3 MB in the beginning and 79.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 976]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 79233.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 10.7ms, AutomataDifference: 25339.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2.9ms, InitialAbstractionConstructionTime: 10.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3 SDtfs, 6 SDslu, 4 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 227.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39633.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0ms HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 24.9ms SsaConstructionTime, 446.4ms SatisfiabilityAnalysisTime, 53061.7ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 2 QuantifiedInterpolants, 52 SizeOfPredicates, 4 NumberOfNonLiveVariables, 24 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 02:25:39,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae61d74-3b15-430e-95f5-a0e55e99422e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...