./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI --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 f24602a0caa1d47ea4587be7b2b610ea917e2304 .............................................................................................................................................................................. 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_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI --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 f24602a0caa1d47ea4587be7b2b610ea917e2304 ........................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:29,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:29,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:29,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:29,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:29,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:29,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:29,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:29,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:29,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:29,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:29,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:29,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:29,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:29,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:29,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:29,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:29,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:29,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:29,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:29,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:29,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:29,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:29,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:29,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:29,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:29,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:29,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:29,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:29,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:29,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:29,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:29,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:29,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:29,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:29,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:29,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:29,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:29,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:29,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:29,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:29,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:29,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:29,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:29,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:29,812 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:29,812 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:29,812 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:29,813 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:29,813 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:29,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:29,813 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:29,813 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:29,814 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:29,814 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:29,814 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:29,814 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:29,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:29,815 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:29,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:29,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:29,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:29,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:29,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:29,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:29,817 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:29,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:29,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:29,817 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:29,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:29,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:29,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:29,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:29,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:29,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:29,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:29,819 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:29,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:29,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:29,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:29,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:29,823 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_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f24602a0caa1d47ea4587be7b2b610ea917e2304 [2021-10-11 02:28:30,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:30,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:30,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:30,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:30,140 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:30,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2021-10-11 02:28:30,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/data/667ccf069/d3fd6593cb34479c82cdc7a2d3bfe61b/FLAG842aeeaed [2021-10-11 02:28:30,804 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:30,811 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2021-10-11 02:28:30,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/data/667ccf069/d3fd6593cb34479c82cdc7a2d3bfe61b/FLAG842aeeaed [2021-10-11 02:28:31,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/data/667ccf069/d3fd6593cb34479c82cdc7a2d3bfe61b [2021-10-11 02:28:31,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:31,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:31,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:31,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:31,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:31,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:31" (1/1) ... [2021-10-11 02:28:31,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4b7e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:31, skipping insertion in model container [2021-10-11 02:28:31,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:31" (1/1) ... [2021-10-11 02:28:31,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:31,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:31,802 WARN L226 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_2e5c8570-b22f-44ce-a138-d181d147f573/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2021-10-11 02:28:31,818 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: fmax at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1718) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) 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:706) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1409) 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:1353) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1046) 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:1424) 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:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) 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) [2021-10-11 02:28:31,826 INFO L168 Benchmark]: Toolchain (without parser) took 744.19 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.2 MB in the beginning and 73.3 MB in the end (delta: -27.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:31,827 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 55.2 MB in the beginning and 55.2 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:31,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.89 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.0 MB in the beginning and 73.3 MB in the end (delta: -27.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:31,833 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 81.8 MB. Free memory was 55.2 MB in the beginning and 55.2 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 737.89 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.0 MB in the beginning and 73.3 MB in the end (delta: -27.3 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: fmax de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:34,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:34,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:34,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:34,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:34,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:34,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:34,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:34,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:34,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:34,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:34,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:34,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:34,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:34,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:34,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:34,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:34,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:34,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:34,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:34,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:34,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:34,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:34,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:34,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:34,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:34,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:34,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:34,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:34,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:34,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:34,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:34,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:34,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:34,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:34,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:34,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:34,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:34,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:34,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:34,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:34,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:34,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:34,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:34,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:34,389 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:34,389 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:34,390 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:34,390 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:34,390 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:34,390 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:34,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:34,391 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:34,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:34,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:34,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:34,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:34,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:34,392 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:34,392 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:34,393 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:34,393 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:34,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:34,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:34,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:34,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:34,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:34,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:34,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:34,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:34,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:34,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:34,395 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:34,395 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:34,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:34,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:34,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:34,396 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_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f24602a0caa1d47ea4587be7b2b610ea917e2304 [2021-10-11 02:28:34,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:34,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:34,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:34,847 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:34,848 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:34,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2021-10-11 02:28:34,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/data/1e5cfb4b0/417a49b81d42471f931e672854f86dc5/FLAGf43a195b3 [2021-10-11 02:28:35,623 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:35,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2021-10-11 02:28:35,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/data/1e5cfb4b0/417a49b81d42471f931e672854f86dc5/FLAGf43a195b3 [2021-10-11 02:28:35,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/data/1e5cfb4b0/417a49b81d42471f931e672854f86dc5 [2021-10-11 02:28:35,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:35,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:35,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:35,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:35,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:35,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:35" (1/1) ... [2021-10-11 02:28:35,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec0f781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:35, skipping insertion in model container [2021-10-11 02:28:35,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:35" (1/1) ... [2021-10-11 02:28:35,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:35,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:36,623 WARN L226 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_2e5c8570-b22f-44ce-a138-d181d147f573/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2021-10-11 02:28:36,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:36,648 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:36,685 WARN L226 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_2e5c8570-b22f-44ce-a138-d181d147f573/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2021-10-11 02:28:36,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:37,053 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:37,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37 WrapperNode [2021-10-11 02:28:37,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:37,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:37,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:37,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:37,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37" (1/1) ... [2021-10-11 02:28:37,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37" (1/1) ... [2021-10-11 02:28:37,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:37,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:37,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:37,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:37,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37" (1/1) ... [2021-10-11 02:28:37,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37" (1/1) ... [2021-10-11 02:28:37,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37" (1/1) ... [2021-10-11 02:28:37,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37" (1/1) ... [2021-10-11 02:28:37,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37" (1/1) ... [2021-10-11 02:28:37,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37" (1/1) ... [2021-10-11 02:28:37,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37" (1/1) ... [2021-10-11 02:28:37,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:37,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:37,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:37,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:37,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:28:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:28:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:37,602 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:37,602 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-11 02:28:37,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:37 BoogieIcfgContainer [2021-10-11 02:28:37,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:37,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:37,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:37,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:37,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:35" (1/3) ... [2021-10-11 02:28:37,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b64075a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:37, skipping insertion in model container [2021-10-11 02:28:37,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:37" (2/3) ... [2021-10-11 02:28:37,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b64075a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:37, skipping insertion in model container [2021-10-11 02:28:37,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:37" (3/3) ... [2021-10-11 02:28:37,638 INFO L111 eAbstractionObserver]: Analyzing ICFG fmax.i [2021-10-11 02:28:37,652 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:37,664 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-10-11 02:28:37,677 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-11 02:28:37,721 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:37,723 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:37,723 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:37,723 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:37,724 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:37,724 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:37,724 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:37,724 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2021-10-11 02:28:37,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 02:28:37,746 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:37,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 02:28:37,747 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:37,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:37,753 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-11 02:28:37,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:37,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891777549] [2021-10-11 02:28:37,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:28:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:37,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:28:37,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:38,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:38,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891777549] [2021-10-11 02:28:38,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:38,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:38,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395432156] [2021-10-11 02:28:38,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:38,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:38,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:38,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:38,060 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2021-10-11 02:28:38,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:38,142 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2021-10-11 02:28:38,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:38,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2021-10-11 02:28:38,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:38,152 INFO L225 Difference]: With dead ends: 29 [2021-10-11 02:28:38,153 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:38,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:38,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:38,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:38,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-11 02:28:38,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:38,184 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:38,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:38,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:38,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:38,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:38,464 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:38,464 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,464 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,465 INFO L262 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,465 INFO L262 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,465 INFO L258 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2021-10-11 02:28:38,465 INFO L262 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,466 INFO L262 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,467 INFO L258 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2021-10-11 02:28:38,467 INFO L262 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,467 INFO L262 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,467 INFO L258 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2021-10-11 02:28:38,468 INFO L262 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,468 INFO L262 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,468 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:38,469 INFO L258 CegarLoopResult]: At program point L878-15(lines 1 886) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2021-10-11 02:28:38,469 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:38,469 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:38,469 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,470 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-11 02:28:38,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:38 BoogieIcfgContainer [2021-10-11 02:28:38,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:38,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:38,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:38,491 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:38,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:37" (3/4) ... [2021-10-11 02:28:38,495 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:38,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-11 02:28:38,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:28:38,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:28:38,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:38,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:38,568 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5c8570-b22f-44ce-a138-d181d147f573/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:38,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:38,571 INFO L168 Benchmark]: Toolchain (without parser) took 2680.05 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 40.5 MB in the beginning and 41.7 MB in the end (delta: -1.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,571 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:38,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1162.02 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 40.2 MB in the beginning and 58.3 MB in the end (delta: -18.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.92 ms. Allocated memory is still 83.9 MB. Free memory was 58.3 MB in the beginning and 56.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,574 INFO L168 Benchmark]: Boogie Preprocessor took 48.44 ms. Allocated memory is still 83.9 MB. Free memory was 56.0 MB in the beginning and 54.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:38,574 INFO L168 Benchmark]: RCFGBuilder took 416.25 ms. Allocated memory is still 83.9 MB. Free memory was 54.6 MB in the beginning and 41.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,575 INFO L168 Benchmark]: TraceAbstraction took 882.97 ms. Allocated memory is still 83.9 MB. Free memory was 41.0 MB in the beginning and 44.1 MB in the end (delta: -3.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:38,577 INFO L168 Benchmark]: Witness Printer took 78.80 ms. Allocated memory is still 83.9 MB. Free memory was 44.1 MB in the beginning and 41.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:38,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1162.02 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 40.2 MB in the beginning and 58.3 MB in the end (delta: -18.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.92 ms. Allocated memory is still 83.9 MB. Free memory was 58.3 MB in the beginning and 56.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.44 ms. Allocated memory is still 83.9 MB. Free memory was 56.0 MB in the beginning and 54.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 416.25 ms. Allocated memory is still 83.9 MB. Free memory was 54.6 MB in the beginning and 41.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 882.97 ms. Allocated memory is still 83.9 MB. Free memory was 41.0 MB in the beginning and 44.1 MB in the end (delta: -3.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 78.80 ms. Allocated memory is still 83.9 MB. Free memory was 44.1 MB in the beginning and 41.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 6 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 20 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 2 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...