./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float19.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_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/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_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/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_7a36dbf1-6dca-407f-8931-de2ced78eeaf/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 fb866a5cacd669e678f08014c34cb9831bc85cc9 .................................................................................................................................................................................. 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_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/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_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/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_7a36dbf1-6dca-407f-8931-de2ced78eeaf/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 fb866a5cacd669e678f08014c34cb9831bc85cc9 ..................................................................................................................................................................................................................................................................................... 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 02:29:31,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:31,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:32,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:32,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:32,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:32,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:32,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:32,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:32,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:32,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:32,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:32,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:32,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:32,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:32,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:32,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:32,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:32,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:32,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:32,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:32,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:32,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:32,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:32,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:32,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:32,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:32,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:32,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:32,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:32,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:32,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:32,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:32,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:32,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:32,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:32,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:32,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:32,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:32,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:32,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:32,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:32,087 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:32,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:32,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:32,095 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:32,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:32,096 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:32,096 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:32,097 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:32,100 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:32,100 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:32,100 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:32,101 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:32,101 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:32,101 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:32,101 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:32,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:32,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:32,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:32,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:32,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:32,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:32,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:32,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:32,105 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:32,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:32,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:32,106 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:32,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:32,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:32,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:32,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:32,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:32,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:32,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:32,109 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:32,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:32,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:32,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:32,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:32,110 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_7a36dbf1-6dca-407f-8931-de2ced78eeaf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb866a5cacd669e678f08014c34cb9831bc85cc9 [2021-10-11 02:29:32,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:32,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:32,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:32,403 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:32,404 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:32,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/floats-cbmc-regression/float19.i [2021-10-11 02:29:32,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/data/b20776c24/35642babf35545a0ac2c360e9260016d/FLAGc6fc48a74 [2021-10-11 02:29:32,986 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:32,986 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/sv-benchmarks/c/floats-cbmc-regression/float19.i [2021-10-11 02:29:33,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/data/b20776c24/35642babf35545a0ac2c360e9260016d/FLAGc6fc48a74 [2021-10-11 02:29:33,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/data/b20776c24/35642babf35545a0ac2c360e9260016d [2021-10-11 02:29:33,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:33,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:33,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:33,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:33,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:33,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:33" (1/1) ... [2021-10-11 02:29:33,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635279df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:33, skipping insertion in model container [2021-10-11 02:29:33,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:33" (1/1) ... [2021-10-11 02:29:33,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:33,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:33,891 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: isinf 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:1710) 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:1081) 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:2343) 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:2343) 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:2343) 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:1570) 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: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.visit(CHandler.java:1578) 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: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 02:29:33,897 INFO L168 Benchmark]: Toolchain (without parser) took 589.04 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 74.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:33,897 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 100.7 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:33,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.42 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 74.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:33,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 100.7 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.42 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 74.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 10.5 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: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: 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 0.2.0-7b2dab5 [2021-10-11 02:29:36,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:36,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:36,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:36,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:36,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:36,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:36,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:36,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:36,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:36,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:36,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:36,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:36,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:36,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:36,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:36,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:36,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:36,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:36,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:36,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:36,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:36,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:36,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:36,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:36,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:36,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:36,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:36,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:36,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:36,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:36,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:36,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:36,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:36,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:36,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:36,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:36,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:36,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:36,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:36,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:36,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:36,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:36,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:36,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:36,276 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:36,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:36,276 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:36,276 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:36,276 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:36,277 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:36,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:36,279 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:36,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:36,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:36,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:36,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:36,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:36,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:36,281 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:36,281 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:36,281 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:36,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:36,282 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:36,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:36,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:36,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:36,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:36,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:36,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:36,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:36,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:36,284 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:36,284 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:36,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:36,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:36,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:36,285 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_7a36dbf1-6dca-407f-8931-de2ced78eeaf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb866a5cacd669e678f08014c34cb9831bc85cc9 [2021-10-11 02:29:36,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:36,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:36,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:36,724 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:36,725 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:36,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/floats-cbmc-regression/float19.i [2021-10-11 02:29:36,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/data/b05f36883/1c2d4503670c4a87954494f6d293717d/FLAGb2ba1e3a8 [2021-10-11 02:29:37,563 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:37,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/sv-benchmarks/c/floats-cbmc-regression/float19.i [2021-10-11 02:29:37,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/data/b05f36883/1c2d4503670c4a87954494f6d293717d/FLAGb2ba1e3a8 [2021-10-11 02:29:37,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/data/b05f36883/1c2d4503670c4a87954494f6d293717d [2021-10-11 02:29:37,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:37,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:37,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:37,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:37,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:37,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:37" (1/1) ... [2021-10-11 02:29:37,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b026923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37, skipping insertion in model container [2021-10-11 02:29:37,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:37" (1/1) ... [2021-10-11 02:29:37,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:37,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:38,748 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_7a36dbf1-6dca-407f-8931-de2ced78eeaf/sv-benchmarks/c/floats-cbmc-regression/float19.i[40839,40852] [2021-10-11 02:29:38,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:38,768 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:38,806 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_7a36dbf1-6dca-407f-8931-de2ced78eeaf/sv-benchmarks/c/floats-cbmc-regression/float19.i[40839,40852] [2021-10-11 02:29:38,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:39,199 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:39,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39 WrapperNode [2021-10-11 02:29:39,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:39,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:39,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:39,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:39,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39" (1/1) ... [2021-10-11 02:29:39,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39" (1/1) ... [2021-10-11 02:29:39,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:39,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:39,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:39,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:39,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39" (1/1) ... [2021-10-11 02:29:39,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39" (1/1) ... [2021-10-11 02:29:39,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39" (1/1) ... [2021-10-11 02:29:39,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39" (1/1) ... [2021-10-11 02:29:39,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39" (1/1) ... [2021-10-11 02:29:39,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39" (1/1) ... [2021-10-11 02:29:39,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39" (1/1) ... [2021-10-11 02:29:39,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:39,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:39,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:39,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:39,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/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 02:29:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:29:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:39,816 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:39,816 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-11 02:29:39,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:39 BoogieIcfgContainer [2021-10-11 02:29:39,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:39,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:39,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:39,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:39,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:37" (1/3) ... [2021-10-11 02:29:39,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4839eddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:39, skipping insertion in model container [2021-10-11 02:29:39,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:39" (2/3) ... [2021-10-11 02:29:39,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4839eddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:39, skipping insertion in model container [2021-10-11 02:29:39,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:39" (3/3) ... [2021-10-11 02:29:39,826 INFO L111 eAbstractionObserver]: Analyzing ICFG float19.i [2021-10-11 02:29:39,839 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:39,842 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:29:39,853 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:29:39,878 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:39,878 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:29:39,878 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:39,878 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:39,879 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:39,879 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:39,879 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:39,879 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2021-10-11 02:29:39,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:29:39,896 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:39,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:29:39,898 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:39,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:39,905 INFO L82 PathProgramCache]: Analyzing trace with hash 28693795, now seen corresponding path program 1 times [2021-10-11 02:29:39,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:39,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827393683] [2021-10-11 02:29:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/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 02:29:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:40,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:40,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:40,556 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-10-11 02:29:40,863 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 02:29:40,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:40,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827393683] [2021-10-11 02:29:40,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:40,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:40,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911539615] [2021-10-11 02:29:40,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:40,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:40,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:40,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:40,885 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2021-10-11 02:29:41,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:41,168 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2021-10-11 02:29:41,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:41,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2021-10-11 02:29:41,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:41,177 INFO L225 Difference]: With dead ends: 18 [2021-10-11 02:29:41,177 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:29:41,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:41,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:29:41,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:29:41,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:29:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:29:41,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2021-10-11 02:29:41,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:41,202 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:29:41,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:29:41,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:29:41,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:29:41,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:29:41,441 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:29:41,441 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:29:41,441 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:29:41,441 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:29:41,442 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2021-10-11 02:29:41,442 INFO L265 CegarLoopResult]: At program point L982(lines 974 983) the Hoare annotation is: true [2021-10-11 02:29:41,442 INFO L262 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2021-10-11 02:29:41,442 INFO L262 CegarLoopResult]: For program point L967(lines 967 969) no Hoare annotation was computed. [2021-10-11 02:29:41,442 INFO L262 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2021-10-11 02:29:41,443 INFO L262 CegarLoopResult]: For program point L965(lines 965 970) no Hoare annotation was computed. [2021-10-11 02:29:41,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:29:41 BoogieIcfgContainer [2021-10-11 02:29:41,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:29:41,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:29:41,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:29:41,451 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:29:41,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:39" (3/4) ... [2021-10-11 02:29:41,455 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:29:41,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 02:29:41,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 02:29:41,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:29:41,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:29:41,495 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a36dbf1-6dca-407f-8931-de2ced78eeaf/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:29:41,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:29:41,497 INFO L168 Benchmark]: Toolchain (without parser) took 3667.38 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 58.2 MB in the beginning and 35.8 MB in the end (delta: 22.4 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,497 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 73.4 MB. Free memory was 54.7 MB in the beginning and 54.7 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:41,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1371.23 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 57.8 MB in the beginning and 42.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.27 ms. Allocated memory is still 88.1 MB. Free memory was 42.0 MB in the beginning and 39.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,500 INFO L168 Benchmark]: Boogie Preprocessor took 55.28 ms. Allocated memory is still 88.1 MB. Free memory was 39.4 MB in the beginning and 38.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,500 INFO L168 Benchmark]: RCFGBuilder took 479.64 ms. Allocated memory is still 88.1 MB. Free memory was 38.4 MB in the beginning and 60.9 MB in the end (delta: -22.6 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,501 INFO L168 Benchmark]: TraceAbstraction took 1630.41 ms. Allocated memory is still 88.1 MB. Free memory was 60.2 MB in the beginning and 37.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,502 INFO L168 Benchmark]: Witness Printer took 44.71 ms. Allocated memory is still 88.1 MB. Free memory was 37.9 MB in the beginning and 35.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 73.4 MB. Free memory was 54.7 MB in the beginning and 54.7 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1371.23 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 57.8 MB in the beginning and 42.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.27 ms. Allocated memory is still 88.1 MB. Free memory was 42.0 MB in the beginning and 39.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.28 ms. Allocated memory is still 88.1 MB. Free memory was 39.4 MB in the beginning and 38.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 479.64 ms. Allocated memory is still 88.1 MB. Free memory was 38.4 MB in the beginning and 60.9 MB in the end (delta: -22.6 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1630.41 ms. Allocated memory is still 88.1 MB. Free memory was 60.2 MB in the beginning and 37.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Witness Printer took 44.71 ms. Allocated memory is still 88.1 MB. Free memory was 37.9 MB in the beginning and 35.8 MB in the end (delta: 2.1 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: 968]: 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 1 specifications checked. All of them hold - InvariantResult [Line: 974]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 4 SDslu, 4 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 1 QuantifiedInterpolants, 44 SizeOfPredicates, 2 NumberOfNonLiveVariables, 24 ConjunctsInSsa, 2 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...